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3 years ago

7

Two mechanics worked on a car.The first mechanic charged $85 per hour, andthe second mechanic charged $70 per hour.The mechanics

worked for a combinedtotal of 20 hours, and together they charged a total of $1625.How long did each mechanic work?

1 answer:

KATRIN_1 [288]3 years ago

5 0

70x+85(20-x)=1625
Solve for x
X=5 for 70

X=15 for 85

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