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Ronnie charged his customers a flat fee of $25 to
fix computers. Then he charged $20 for each hour
that he spent fixing the computer. If Ronnie made
$175 off of his first customer, how many hours did
he spend working?

Respuesta :

mhanifa

Answer:

  • 7.5 hours

Step-by-step explanation:

Let the number of hours is x, then the following equation reflects the full charge:

  • 25 + 20x = 175

Solve it for x:

  • 20x = 175 - 25
  • 20x = 150
  • x = 150/20
  • x = 7.5

Ronnie spent 7.5 hours.

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