Leticia babysat on Saturday for 5 hours. She already babysat for 4 hours which makes it (8 x 4) =$32 But she earned $72 so the rest $40 / 8 =5 hours
What do you need help with. I am really good in math
Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:

use cross- multiplication
8a = 72
a = 9