Question: Cheryl earns $23.75 babysitting for 2 1/2 hours. At that rate, how much does Cheryl earn when babysitting for 5 3/4 hours?
A) $50.73
B) $54.63
C) $68.31
D) $78.38
Correct answer: B
Grade: 7 | Topic: Ratios and proportions | Difficulty: Medium | Standard: 7.RP.A.3