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The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there?
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The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there?

User Sikan
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it is 5 because you have to multiply by 5 by 4 and get 20 when you multiply by 5×1 and get 5
User Hapeki
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