Question: Amy baby-sat from 7:30 p.m. to 11:00 p.m. If Amy was paid $15.75, how much did she earn per hour?
A. $4.20 B. $4.50 C. $5.25 D. $5.50
Answer: Amount of time from 7:30 to 11:00 = 3.5 hours
dollars / hour value = 15.75/3.5= 4.5
Correct answer is option B