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4 hours. How much more time did Mai spend on her chemistry assignment ?

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asked Dec 15, 2019 94.7k views

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Mai finished her chemistry assignment in 1/2 hours. Then She completed her history assignment in 1/4 hours. How much more time did Mai spend on her chemistry assignment ?

Mathematics
college

Rob Bradford asked

by Rob Bradford

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Since 1/2 an hour is 30 minutes and 1/4 is 15 minutes than the answer has to be 15 minutes 15+15=30

AhmedEls answered Dec 18, 2019

by AhmedEls

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7 votes

SHE SPENT 15 MINUTES MORE. 1 hour is 60 minutes. 1/2 hour is 30 minutes and 1/4 hour is 15 minutes. 30-15=15

Miradulo answered Dec 21, 2019

by Miradulo

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Mai finished her chemistry assignment in 1/2 hours. Then She completed her history assignment in 1/4 hours. How much more time did Mai spend on her chemistry assignment ?

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