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Eric worked 13 hours last week at the library and earned $91.00. If he continues at the same hourly pay, how many more hours must he work to earn an additional $133.00?

Respuesta :

19 hours

Calculate his hourly rate by dividing $91 by 13

hourly rate = [tex]\frac{91}{13}[/tex] = $7

Now divide $133 by 7 to find number of hours he has to work

[tex]\frac{133}{7}[/tex] = 19 hours


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