3 years ago

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

1 answer:

5 0

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.

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