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A mechanic charged $220.28 to repair a car. The price included charges for 3 hours of labor and $126.53 for parts. How much does the mechanic charge per hour, d, for labor? Solve for d.
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A mechanic charged $220.28 to repair a car. The price included charges for 3 hours of labor and $126.53 for parts. How much does the mechanic charge per hour, d, for labor? Solve for d.

User Yari
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2 Answers

5 votes
$31.25 an hour of labor!

User Gknicker
by
7.4k points
2 votes
3d + 126.53 = 220.28
3d = 220.28 - 126.53
3d = 93.75
d = 93.75/3
d = 31.25 per hr
User Irkinosor
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8.6k points
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