The ratio of boys to girls in Hebron’s Chorus is 2:7. Part A: If there are 8 boys, how many girls are there in Hebron’s Chorus? Show your work.

let the no. of girls be x

now

2/7=8/x

or,2×x=7×8

or,2x=56

or,x=56÷2

or,x=28

so the no. of girls is 28

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.