Rainbowcloudycupcake
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  • 12-02-2016
  • Mathematics
contestada

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

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isaac1011 isaac1011
  • 12-02-2016
it is 5 because you have to multiply by 5 by 4 and get 20 when you multiply by 5×1 and get 5
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