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2 years ago

14

The bill for repairing a car was $311 .The cost for parts was $125 .The cost for Labor was$ 31 per hour .How many hours did the

repair work taking?????

2 answers:

qaws [65]2 years ago

8 0

Bill=parts+labor
labor=31 times hours or h
parts=125
bill=311

311=125+31h
minus 125 both sides
186=31h
divide both sides by 31
6=h

6 hours

erma4kov [3.2K]2 years ago

3 0

311-125= 186
186/ 31=6
It took 6 hours.

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