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zysi [14]
3 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?????
Mathematics
2 answers:
qaws [65]3 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]3 years ago
3 0
311-125= 186
186/ 31=6
It took 6 hours.
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