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22-02-2016
Mathematics

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Nana can pack a bag of groceries in 6/8 of a minute, at that rate how many can she pack in 15 minutes?

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apologiabiology apologiabiology

22-02-2016

so 1=6/8 minute
1=3/4 minute
multiply both sides by 4
4=3 minutes

3 times what=15
divide by 3
what=5

4=3 minutes
mulitpliy both sides by 5
20=15 minutes

answer is 20 bags

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