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14-03-2016
Mathematics

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Nana can pack a bag of groceries in six tenths of a minute. At that rate, how many bags of groceries can she pack in 15 minutes?

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14-03-2016

6/10 can be simplified to 1/5 or made bigger by multiplying it by 6 since there are 60 seconds in a min. 6/10 × 6= 12/60 so that's 12 times in a min. 12×15=180. so the answer is 180 times in 15 minutes

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