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 75ยข 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.