Five.
Hope this helps!
Vote my brainliest!
Answer:
Formula for percent change is C = {x_2 - x_1}/{x_1}
C = relative change
x_1 = initial value
x_2 = final value
Step-by-step explanation:
Answer: 577.50/8.75=X
X= 66
Barney needs to work 66 hours to have enough money to pay for his books.
Hope I helped :)
Step-by-step explanation: I divided 577.50 by 8.75 to get my answer.
