En una librería se venden novelas a 16 euros y guías de viaje a 10 euros. Si hoy se han vendido 37 libros en total con una recaudación de 508 euros, calcula el número de ejemplares vendidos de cada tipo.

Answers

Answer 1

Answer:

En la librería se vendieron 23 novelas y 14 guías de viaje.

Step-by-step explanation:

Con la información proporcionada puedes plantear las siguientes ecuaciones:

x+y=37 (1)

16x+10y=508 (2), donde:

x es el número de novelas vendidas

y es el número de guías de viaje vendidas

Primero, puedes despejar x en (1):

x=37-y (3)

Ahora, debes reemplazar (3) en (2) y despejar y:

16(37-y)+10y=508

592-16y+10y=508

592-508=16y-10y

84=6y

y=84/6

y=14

Después, debes reemplazar el valor de y en (3) para encontrar el valor de x:

x=37-14

x=23

De acuerdo a esto, la respuesta es que en la librería se vendieron 23 novelas y 14 guías de viaje.


Related Questions

OMG HELP PLS IM PANICKING OMG OMG I GOT A F IN MATH AND I ONLY HAVE 1 DAY TO CHANGE MY GRADE BECAUSE TOMORROW IS THE FINAL REPORT CARD RESULTS AND I DONT WANNA FAIL PLS HELP-

Answers

Answer:

1.

7 x 30  is equal to 3 tens-

9 x 200 is equal to 2 hundreds-

2 x 5,000 is equal to 5 thousands-

6 x 7,000 is equal to 7 thousands-

Step-by-step explanation:

30/10 = 3

200/100 = 2

5,000/1,000 = 5

7,000/1,000 = 7

I love you it's gonna be okay :)

A garden center has 150 fruit trees to sell.
1/10 of the trees are lemon trees.
2/5 of the trees are orange trees.
1/3 of the trees are peach trees.
The rest are pear trees.
How many trees are pear trees?

Answers

Answer:25 pear trees

Step-by-step explanation:

15/150

60/150

50/150

15+60+50=125

150-125=25

Find the mean cost of video games: $38, $67, $55, $ 49, $62

Answers

Answer:

$54.20

Step-by-step explanation:

Mean :54.2
Add all the numbers & divide by how many numbers are listed

one hundred people were asked about their favorite sport.

Part A
complete the two-way frequency table

Part B which of the following statements is true

Answers

Answer:categorical data listed on the left to complete the frequency table. Ways ... 100. B Jenna asked some randomly selected students whether they preferred dogs, cats, or other pets. ... part-time job. The results are shown in the two-way frequency table below. ... Two hundred students were asked about their favorite sport.

Step-by-step explanation:

A two-way table is a useful way to organize data that can be categorized by two variables. Suppose the school board asked 125 households if they would support a tax ... Make a table of the joint and marginal relative frequencies. ... The table shows the results of a survey of 100 randomly selected people entering an.

Soccer - Male; 19 Female; 31

Basketball - Male; 21 Female; 29

Total - Male; 40 Female; 60

What is a two-way frequency table?

A two-way or contingency table is a statistical table that shows the observed number or frequency for two variables, the rows indicating one category and the columns indicating the other category.

Given, one hundred people were asked about their favorite sport.

Since the Total number of humans is 50

And female who likes  Soccer is 31

Thus, Male who likes Soccer = 50 - 31 = 19

Since the Total number of humans is 50

And female who likes  Basketball is 29

Thus, Male who likes Basketball = 50 - 29 = 21

So,

Total males = 21 + 19 = 40

Total number of female = 29 + 31 = 60

about the two-way frequency table.

False More males were surveyed than females. (since total male-to-female ratio is 2/3)

True More females like soccer.

True An equal number of people like soccer and basketball.

False Twice as many females as males like basketball.

Learn more about two-way frequency tables here:

https://brainly.com/question/29766382

#SPJ2

Complete question:

One hundred people were asked about their favorite sports.

A) Complete the two-way frequency table.

B) Indicate whether each of the following statements is "T"-True or "F"-False about the two-way frequency table.

__________________ More males were surveyed than females.

__________________ More females like soccer.

___________________ An equal number of people like soccer and basketball.

____________________ Twice as many females as males like basketball.

What is the surface area?

9 cm
9 cm
9 cm

square centimeters

Answers

Answer:

surface area of cube=6×side²

surface area of cube =6×(9cm)²

surface area of cube= 486cm²

1/4 × 7/7














kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk

Answers

Answer:

0.25 good luck with the answer

~Hİ~

Answer :[tex] \frac{ 1}{4} \times \frac{7}{7} = \frac{1}{4} [/tex]

for which value of c will the equation 2x - 5 = 2x - c have an infinite number of solutions? select all that appy
A 3
b 4
C 5
D 6

Answers

Answer:

d po

Step-by-step explanation:

i hope its help

carry on learning

In a 15-sheet package of construction paper, there are 6 red sheets.
What is the probability that a randomly selected sheet will be red?
Write your answer as a fraction or whole number.
P(red)

Answers

Answer:

There is a 40% chance

Step-by-step explanation:

If 6 out of the 15 sheets were red, 6/15(100) gets the outcome of 40

A recipe calls for 1 1/2 c chopped dates, 3/4 c water, 1 1/2 c sugar, 1/2 c chopped nuts, 2/3 c butter, and 3 c flour to be mixed together in a bowl. When these ingredients are combined, how many cups will there be altogether?

Answers

Answer:

7 9/12

Step-by-step explanation:

1 1/2 + 3/4 + 1 1/2 + 1/2 + 2/3 + 3 =

add together with pairs

3 + 3 1/2 + 1 5/12

add again

6 1/2 + 1 3/12

7 9/12

(I think it's right not 100% percent sure but 95%)

anyways hope this helped :))

Henry rolls a standard six-sided die, numbered from 1 to 6. Which word or phrase describes the probability that he will roll a multiple of 2?
A certain bile
B unlikely
C an equal chance or 50-50 impossible
D impossible​

Answers

The answer I would assume is C

Answer:

certain

Step-by-step explanation:

Jai rolls a standard six-sided die, numbered from 1 to 6. Which word or phrase describes the probability that he will roll a number between 1 and 6 (including 1 and 6)?

There are 6 possible outcomes for rolling a die numbered from 1 to 6: {1, 2, 3, 4, 5, 6}.

Within that set of outcomes, there are 6 possible ways of rolling a number between 1 and 6 (including 1 and 6): {1, 2, 3, 4, 5, 6}.

6 out of 6 is 1. When something will occur all the time, we say it is certain.

Find the Interquartile Range (IQR) of the following set of
data. (Round to the nearest whole number.)
$75, $69, $82, $90, $75, $73, $108, $79, $80
HELP ASAP PLEASE

Answers

Answer:

39

Step-by-step explanation:

put them in order least to greatest, then subtract 108-69=39


Mika bought 4 cases of pop for $26. How many cases can she buy for $91?

Answers

Answer:

14

Step-by-step explanation:

find out how much for 1 case

1 case = 26/4

1 case = 6.5

91/6.5 = 14

14 cases

Answer:

14

Step-by-step explanation:

With $26 she can buy 4 cases

With $1 she can buy 4÷26 cases

With $91 she can buy (4÷26)×91

                                    =2/13×91

                                    =14

The diameter of a circle is 9 in. Find its circumference in terms of pie

Answers

Answer:

C = 9π

Step-by-step explanation:

Please, use "pi" or "π"

The circumference of a circle of diameter 9 in is C = 9π

Beverly is making peanut butter-banana bread. She always doubles the amount of nuts and peanut butter chips. The total amount of chips and nuts after doubling is 4 1/2 cups. The recipe says one and a half cups of peanut butter chips, an unknown number of cups of nuts, and three very ripe bananas. Write and solve an equation to find the original amount of nuts, x, in the recipe.



ONLY WANT EQUATION​

Answers

Answer: 0.75 or three-fourth of a cup of nuts

Step-by-step explanation:

Try to look this up this question

what is the formula for finding area in a triangle​

Answers

Answer:

Base times Height divided by 2 or 1/2b*h

Step-by-step explanation:

Answer:

multiply the base times the height and then divide your answer by two or A=1/2bh  were b=base and h=height

Step-by-step explanation:

How many $ pound hamburgers can be made from 2 1 pounds of ground beef?​

Answers

Answer:

5.25 dalors

Step-by-step explanation:

Callculate the problem

can someone please help me out on this

Answers

I think the answer is A
Not sure but I think it’s a

What is m∠X to the nearest degree
A. 44
B. 36
C. 46
D. 34

Answers

Answer:

Hey mate......

Step-by-step explanation:

This is ur answer......

A. 44

Hope it helps!

Mark me brainliest pls.....

Follow me! :)

Probability mathematic

Answers

Answer:

1/9

Step-by-step explanation:

Probability  =  Expected outcome/Total outcome

From the given pi chart,

Total outcome = 360degrees (since the total angle in a circle is 360 degrees)

Since we to find the probability of scoring a 5, we can see that the angle when he scores a 5 is 40degrees, hence;

Expected outcome = 40degrees

Pr(scoring a 5) = 40/360

Pr(scoring a 5) = 1/9

Hence the probability of scoring a 5 is 1/9

Answer:

1/9

Step-by-step explanation:

Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty.

Divide the number of events by the number of possible outcomes.

This is volume of spheres.
Can anyone give me this step by step?
Due tonight..

Answers

Answer:

Step-by-step explanation:

4/3(pi)(r)^3

4/3(pi)(0.8m)^3   (converted the cm to m)

then you can simplify it based on wither the answer is in Number*pi or just a number.

Hope this helps!

What is the value of 0.2 to the third power

Answers

Answer:

I think it is 0.008

Step-by-step explanation:

Answer: 0.008

Explanation: multiply base (0.2) by itself 3 times

0.2 x 0.2 x 0.2 = 0.008

Goodluck

Kayla rolls two fair number cubes each numbered 1 through 6. She needs to roll a sum of 9 or more to win a game. She rolls the number cubes one at a time. She rolls a 5 with the first number cube.



What is the probability that Kayla will win the game?

Answers

Answer:

1/6

Step-by-step explanation:

Starting with 2 cubes that have 6 numbers total for each one, so 2 cubes will have 12 numbers total, and the probability of number 5 is 2/12 (because each cube has a number 5, so two cubes will have 2, and fraction for it will be 2/12). After simplification, the final result is 1/6.

Tom made $273 for 13 hours of work.
At the same rate, how many hours would he have to work to make $105?

Answers

Answer:

5 hours

Step-by-step explanation:

$272 = 13h

/273      /273

$1=     0.4.......

*105    *105

105=  5

Answer:

5

Step-by-step explanation:

what is 3 forths - 3 eigths

Answers

Answer:

3/8

Step-by-step explanation:

3/4 is equivalent to 6/8 to we can change the problem to

6/8 - 3/8 which equals 3/8

Can someone please help me in this!!
ASAP

Answers

Looks like an 86 degree

Who is correct between the two of them?

Answers

Answer:

Neither.

Step-by-step explanation:

I am not completely sure, so make sure to also let other answer this before you trust me lol. I really hope this helps!!

*WILL MARK BRAINLIEST*

given the inequality 4x-y<=k-6, there is a minimum value of k in order for the point (5,0) to be part of a solution. what is the minimum value?

Answers

Answer:

26

Step-by-step explanation:

since the question asks for a value of k where the point (5, 0) is part of a solution, plug 5 into the x value and 0 into the y value:

4x-y<=k-6

4(5)-0<=k-6

20-0<=k-6

20<=k-6

26<=k

In this case, k can be equal to any number that is greater than or equal to 26 for the point (5, 0) to be a solution, but the question asks for the minimum value of k, meaning the smallest value. since the question asks for the smallest value, the answer we're looking for is 26.

lmk if this is wrong, hope it helps!!


The cost of 6 CDs are $12, $13, $20, $20, $12.50 and $18.50. What is the range?

Answers

I think $8. That’s the difference between the highest and lowest number.

The product of 2 numbers is negative 48. If one of the numbers 16, what is the missing number?

Answers

Answer:

i think it might be -3

Step-by-step explanation:

16*-3 gives you -48

Through ten games of basketball this season, Elijah has made 2 out of 15 of his free- throws. Which word or phrase describes the probability that Elijah will hit his next free throw?

O likely

O certain

O unlikely

O an equal chance or 50-50​

Answers

Answer:

Unlikely

Step-by-step explanation:

I mean Sheeeeeeesh

his free throw rate is only 13%

Other Questions
In terms of plant life, this biome is extremely high in diversity, but there are very few animals that live here.tru or false? Thought I'd give a little quote before logging off for the day!If you are struggling today REMEMBER this:"You have survived everything you've gone through up to this point, you may have struggled but still made it. The best day or day's of your life, is still yet to come, there are still people you haven't met.Thing's you haven't experienced, AND goals you haven't reached!!YOU CAN ABSOLUTELY DO THIS KINGS & QUEENS!!! " Scientific study of the population cycles of the snowshoe hare and its predator, the lynx, has revealed that ________. Question 9 options: A) predation is the dominant factor affecting prey population cycling B) hares and lynx are so mutually dependent that each species cannot survive without the other C) the hare population is r-selected and the lynx population is K-selected D) both hare and lynx population sizes are affected mainly by abiotic factors Four different living organisms are shown on the right. Which statement is true for all of the organisms shown? Any revising and editing needed in this poem? Giving brainliest to honest personnelFor My Gorgeous Waterfallby fallingRoses are red,Violets are blue,Your palace is gorgeous,And so are you.Orchids are white,Ghost ones are rare,Grandeur is majestic,And so is your hair.Magnolia grows,With buds like eggs,Your functioning is smooth,And so are your legs.Sunflowers reach,Up to the skies,Tea is green,And so are your eyes.Foxgloves in hedges,Surround the farms,The place is beautiful,And so are your arms.Daisies are pretty,Daffies have style,A welcome is warm,And so is your smile.A waterfall is beautiful,Just like you. A right triangle has one leg with a length of 1 inch. In addition, the length of the hypotenuse is 1.5 times greater than the length of the other leg. Determine the measurements of the acute angles in the right triangle. The number of hamburgers H sold and the dollar amount of sales S taken in. what is the independent variable and what is the dependent variable? If the nth term of a sequence is4n + 3 what is the 6th term? describa la evolucin de los seres humanos a partir de los primates iniciales. incluye en su anlisis caractersticas como la visin binocular, las manos que sostenan los objetos, la locomocin bpeda, la vida social, la fabricacin de herramientas y el aumento del tamao del cerebro please help asap:))) Two sisters, sister A and sister B, play SCRABBLE with each other every evening. Sister A is a statistician, and she draws a random sample of 30 results from the 1,420 total games that have been played to construct a confidence interval estimate of p, the proportion of SCRABBLE games between her and her sister that she has won. Her 95% confidence interval estimate of p is LCL = 0.36, UCL = 0.69. A 95% confidence interval estimate of the total number of games sister A has won out of the 1,450 games that have been played is LCL =___________ and UCL = ___________The Illinois State Toll Highway Authority is conducting a study to estimate the proportion of low-income commuters who drive to work on a toll road. The project manager wants to estimate the proportion to within 0.03 with 95% confidence, and the project manager believes that p will turn out to be approximately 0.11. A sample size no smaller than __________ is needed. Michael breeds chickens and ducks.Last month, he sold 50 chickens and 30 ducks for $550. This month, he sold 44 chickens and 36 ducks for $532.How much does a chicken cost, and how much does a duck cost?A chicken costs $_____ and a duck costs $_____. I'm failing class please help me with this :(.. ASAP You randomly choose a marble form a jar.The jar contains 4 red marbles , 10 blue marbles , 7 green marbles , and 6 yellow marbles.Find the probability of the event.Choosing a green marble. please show an actual answer i need help What is a formula for the nth term of the given sequence 13,17,21 Which statement best describes the human interest in colonizing other planets? Group of answer choices humans have always been interested in colonization of other planets. People are unhappy with life on Earth and are always looking for escape. Humans remain fascinated by the idea, but the motivation has changed. Science fiction is highly popular even though humans will never be able to colonize other planets. Read this excerpt from A Black Hole Is NOT a Hole.In the 1930s a telephone-company engineer named Karl Jansky was trying to track down the cause of hissing static in phone lines when he discovered something strange. Radio energy from outer space was interfering with the phone signals. After learning about Janksy's discovery, a radio engineer named Grote Reber decided to investigate.The connection between Karl Jansky and Grote Reber in the excerpt shows thatA. both men were interested in telephone static.B. Grote Reber was Karl Janskys student.C. Karl Jansky influenced Grote Rebers work. Should voters elect Supreme Court Justices? Why or why not? (NO LINKs) ~English ~ Ill mark brainliest if correct Which is the best definition of alliteration?A. The repetition of sounds in a series of wordsB. An Anglo-Saxon technique that is not used todayC. The use of multiple literary devices in one lineD. A type of poetry developed in ancient Rome