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

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

User Pbacterio
by
8.1k points

2 Answers

7 votes
Pencils : Erasers
4 : 1
4 x 5 : 1 x 5
20 : 5

Ans: 5 erasers
User TheWhiteFang
by
8.8k points
4 votes
5 Erasers, 4:1 is equal to 20:5, if you just multiply both numbers by 5
User Scott Ivey
by
8.7k points
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