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Edna took a total of 15 pages of notes during 5 hours of class. In all, how many hours will Edna have to spend in class before she will have a total of 18 pages of notes in her notebook?

Respuesta :

It will take her 6 hours

First, we calculate how many pages she can write per hour. We do this using the information given. 15/5= 3 pages per hour.

18/3= 6 hours to write 18 pages

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