Question

PLEASE HELP!!!!!!!!

There are 76 students in the Breezewood Middle School chorus. The number of girls in the chorus is 13 more than twice the number of boys.

Write an expression that represents the number of girls in the chorus if b represents the number of boys.
Using your expression from Part A, write an equation that could be used to determine the number of girls and boys in the chorus. Hint: the only variable in your equation should be b.
Use your equation to determine the number of boys and girls in the chorus. Show your work.

Answer 1

There are 76 students:

g + b = 76

girls is 13 more than twice the boys:

g = 2b + 13

replace g with 2b + 13 in 1st equation

2b+13+b = 76

3b + 13 = 76

3b = 63

b = 21 boys

g = 76-21 = 55 girls

Explanation: