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Mei does 6 problems in 18 minutes. How many can she complete in 12 minutes
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5 votes
Mei does 6 problems in 18 minutes. How many can she complete in 12 minutes

User Geoff Goodman
by
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1 Answer

7 votes
Do cross multiplication

6 = x
18 12

Now cross multiply

(6)(12) = (18)(x)

72 = 18x

Divide both sides by 18


72 = 18x
18 18

4 = x

So tMei can complete 4 problems in 12 minutes.

User Sascuash
by
6.5k points
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