Question

Brooke earns $7 an hour at her job now. She can represent the total she makes in a week using the expression 7r. Brooke has asked for a $1 an hour raise. Which expressing would represent the amount Brooke would make in a week after the raise?

Answer 1

We have that with the increase made Brooke now earns the following amount per hour:
 (7 + 1) = 8 $ / h
 Therefore we must now rewrite the weekly expression of your earnings.
 Rewriting we have:
 (7 + 1) r =
 8r
 Answer:
 the amount Brooke would make in a week after the raise is:
 8r

Answer 2

 the awnser is sir

8R