Question

Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 15 girls in the book club, how many boys are in the club?

266

likes

1328 views

Answer to a math question Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 15 girls in the book club, how many boys are in the club?

$Expert avatar$

Rasheed

4.7

110 Answers

Answer: Let the number of boys be x. So, given that the number of girls is one more than twice the number of boys. \therefore Number\:of\:girls=1+2x Given number of girls is 15. \therefore15=1+2x

14=2x

\therefore x=7 Number of boys = 7

Frequently asked questions (FAQs)

What is 0.65 expressed as a percent?

What is the limit as x approaches 4 of (2x^2 - x + 7)?

Math question: Graph the inequality system: 2x - 3y ≤ 4 and 3x + 2y > 5.

New questions in Mathematics

2x-y=5 x-y=4

3(4×-1)-2(×+3)=7(×-1)+2

If f(x) = 3x 2, what is the value of x so that f(x) = 11?

what is the annual rate on $525 at 0.046% per day for 3 months?

9b^2-6b-5

2.3/-71.32

A construction company is working on two projects: house construction and building construction. Each house requires 4 weeks of work and produces a profit of $50,000. Each building requires 8 weeks of work and produces a profit of $100,000. The company has a total of 24 work weeks available. Furthermore, it is known that at least 2 houses and at least 1 building must be built to meet the demand. The company wants to maximize its profits and needs to determine how many houses and buildings it should build to meet demand and maximize profits, given time and demand constraints.

According to a survey in a country 27% of adults do not own a credit card suppose a simple random sample of 800 adults is obtained . Describe the sampling distribution of P hat , the sample proportion of adults who do not own a credit card

solve for x 50x+ 120 (176-x)= 17340

The cost of unleaded gasoline in the Bay Area once followed an unknown distribution with a mean of $4.59 and a standard deviation of $0.10. Sixteen gas stations from the Bay Area are randomly chosen. We are interested in the average cost of gasoline for the 16 gas stations. 84. Find the probability that the average price for 30 gas stations is less than $4.55. a 0.6554 b 0.3446 c 0.0142 d 0.9858 e 0

In the telephone exchange of a certain university, calls come in at a rate of 5 every 2 minutes. Assuming a Poisson distribution, the average number of calls per second is: a) 1/8 b) 1/12 c) 1/10 d) 2/5 e) 1/24

A circular window has a rubber molding around the edge. If the window has a radius of 250 mm, how long is the piece of molding that is required ? (To the nearest mm)

0.1x8.2

If the regression equation is given by 4x –y + 5 = 0, then the slope of regression line of y on x is

Determine a general formula (or formulas) for the solution to the following equation. Then, determine the specific solutions (if any) on the interval [0,2π). cos30=0

Determine the Linear function whose graph passes through the points (6, -2) and has slope 3.

5a-3.(a-7)=-3

2p-6=8+5(p+9)

Mark is gluing a ribbon around the sides of a picture frame. The frame is 11 inches long and 7 includes wide. How much ribbon does Mark need?

x(squared) -8x=0

Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 15 girls in the book club, how many boys are in the club?

Answer to a math question Kayla started a book club at her school. The number of girls in the book club was one more than twice the number of boys. If there are 15 girls in the book club, how many boys are in the club?

You might be interested in