The bill for the repair of a car was $420. The cost of parts was $240. The cost of labor was $45 per hour. How many hours did the repair take?

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Haize Share
Mar 16, 2018

Answer:

4 hours

Explanation:

the bill for the repair of a car was $420. This means the equation is going to equal (=) 420.

420 - 240 = 180.

Subtract the cost of parts from the total bill.

Now the cost of labor was $45 per hour. Now let's figure out what 180 ÷45 = ?

it's 4.

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