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Auto Tech charged Mrs. Smith $90.00 for an automotive part plus $53.00 per hour
that a mechanic worked to install the part. The total charge was $328.50. For about how
long did the mechanic work to install the part on Mrs. Smith’s car?

Respuesta :

supergamer1127

Answer:

The precise answer is 3.99588235. But you would round that to 4 hours.

maddiemoses

Answer:

4.5 hours

Step-by-step explanation:

subtract the 90.00 from 328.50, ten you should get 238.50 which you'll divide by 53 and get 4.5 hours