Unit Question #3

By: Mady G. Maggie S. , Cortney H. , and Malia M.

A.)

Cost of Skateboard: $167

Bank: $88

Earns: $7.25 per hour


Equation: $167- $88= $79

What We Need to Find: How many hours he needs to work to earn the skateboard

Answer: He needs to work 11 more hours to earn enough (he will earn $79.75), but he will have 75¢ leftover.

B.)

Cost of Helmet: $46.50

Bank: $0

Earns: $7.25 per hour


Equation: 6 x $7.25= $43.50

What We Need to Find: If the amount of hours he works is enough to afford the helmet.

Answer: He is not correct, because he would have to work 1 more hour to afford it, but with extra money.

C.)

Cost of Trip: $350

Bank: $0

Earns: $7.25 per hour


Equation: $350 / $7.25 = 48.27 hours (round up to 49 hours)

What We Need to Find: How many hours he will have to work to afford the trip.

Answer: He will need to work 49 hours to afford the trip, and he will have extra money.