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Colin earns $9 an hour working after school at the library. After he recevied his paycheck for the last week, he spent $6 and had $129 left. How many hours did Colin work at the library last week?

Respuesta :

129 + 6 = £135
135 (divided) 9 = 15

Therefore Colin worked 15 hours
Hope this helped :)

Answer:Collin worked 18 hours.

Step-by-step explanation: Find the sum of what he spent and had left.  129 + 6 = 135.  His paycheck was for $135.00.  Divide the amount of his check by the number of hours he worked. $135.00 divided by 9 = 18.  He is paid 18 dollars per hour.

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