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

109 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 the result of multiplying 25 by the sum of 17 and the difference between 30 and 12?

What is the median of a set of seven numbers if the sum of the smallest and largest numbers is 30 and the sum of the second smallest and second largest numbers is 28?

What is the simplified mixed number form of the improper fraction 25/4?

New questions in Mathematics

The strength of Kefexin oral suspension is 100 mg/ml. Nora has been prescribed cefalexin at a dose of 50 mg/kg/day divided in two single doses. Nora weighs 14 kg. How many milliliters of solution for Nora should be given as a single dose?

A software company incurs a cost of $50 per license sold plus $5,000 in fixed costs. How many licenses should you sell to minimize total costs?

A circular park has a diameter of 150ft. A circular fence is to be placed on the edge of this park. Calculate the cost of fencing this park if the rate charged is $7 per foot. Use π = 3.14.

11(4x-9)= -319

(x^2+3x)/(x^2-9)=

How many kilometers does a person travel in 45 minutes if they move at a rate of 8.3 m/s?

(5-(4-3)*3)-(8+5))

Let I ⊂ R be a bounded and nonempty interval. Show that there are numbers a, b ∈ R with a ≤ b and I =[a,b] or I =[a,b) or I =(a,b] or I =(a,b)

All the liquid contained in a barrel is distributed into 96 equal glasses up to its maximum capacity. We want to pour the same amount of liquid from another barrel identical to the previous one into glasses identical to those used, but only up to 3/4 of its capacity. How many more glasses will be needed for this?

Answer the following questions regarding the expression below. 0.1 (a) Write the number as a fraction.