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21 is 75% of what number? I don't get it.

21 is 75% of what number? I don't get it.
48.1k views
1 vote
21 is 75% of what number?

I don't get it.

User Urgotto
by
7.7k points

2 Answers

4 votes
21 is 75% of 28. If you use a calculator, you can just put 21×100÷75. Or if you need to do it on paper, you could do...

1. do 75/100×21

2.multiply both sides by 100 and the divide by 75
User Bennet
by
8.1k points
3 votes
21=75/100x
2100=75x
X=2100/75=28
User Max Ehrlich
by
8.5k points
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