SOLUTION: Gina rented a moon-walk for 5 hours at a total cost of $210. Lori rented the same moon-walk for 3 hours at a total cost of $150. The cost of renting is based upon a flat set-up fee

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Question 1073015: Gina rented a moon-walk for 5 hours at a total cost of $210. Lori rented the same moon-walk for 3 hours at a total cost of $150. The cost of renting is based upon a flat set-up fee plus a rental rate per hour. How much is the set-up fee? What is the hourly rental fee?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Gina: 210=S%2B5H
Lori: 150=S%2B3H
Subtract,
S%2B5H-S-3H=210-150
2H=60
Solve for H then use either equation to solve for S.