7 June, 20:33

# A mechanic at an auto repair shop completed different repairs on two cars. •The parts for one repair cost \$400 and it took the mechanic 3 hours. •The parts for the other repair cost \$250 and it took the mechanic 5 hours. •The total bill for each repair was the same amount per hour of labor. The equation below can be used to find c, the cost per hour of labor to repair the cars. 400+3c=250+c What was the cost, in dollars, per hour of labor to repair cars?

+1
1. 8 June, 00:13
0
Step-by-step explanation:

250 + 5c = 400 + 3c

2c + 250 = 400

2c = 150

c = \$75 cost per hour
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