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OverLord2011 [107]
3 years ago
9

The ratio of pencil to rulers is 6:10. the are 21 pencils. how many rulers are there

Mathematics
1 answer:
Reika [66]3 years ago
8 0

There would be 35 rulers.

In order to solve this, use cross multiplication.

6/10 = 21/x -----> cross multiply

10*21 = 6*x

210 = 6x

35 = x

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