**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