SOLUTION: The total cost of repairing a car is the sum of the amount paid for parts and the amount paid for labor. You paid $78 for parts and $45 for each hour of labor. The total cost to re

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: The total cost of repairing a car is the sum of the amount paid for parts and the amount paid for labor. You paid $78 for parts and $45 for each hour of labor. The total cost to re      Log On

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Question 1133244: The total cost of repairing a car is the sum of the amount paid for parts and the amount paid for labor. You paid $78 for parts and $45 for each hour of labor. The total cost to repair the car was $168.

Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
(168 - 78)/45 = number of hours of labor. Use your calculator, first substract then divide