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Johnny has a computer repair businesss and he needs to make at least $475 a day to remain in business. He charges an initial fee of $100, and $75 for each hour he works. How many hours must he work each day to remain profitable?

Respuesta :

Subtract the fee from the total he needs:

475 - 100 = 375

Now divide that by the hourly rate:

375 / 75 = 5

He needs to work 5 hours.