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Betsy volunteers at community hospital for 21 hours each week. if there are 168 hours in a week, what percentage of her time does she spend as a volunteer in a week?

Respuesta :

168=100%
21=x

21*100=2100
2100/168= 12.5

21=12.5 %
12.5%

Multiply 21 by 100
Divide by 168

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