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1 vote
21 is 70 % of what number?

User Nick Gowdy
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2 Answers

6 votes
Its 30. 21----> 70%
x------> 100%. You do: 100% times 21 divided by 70%.
User Jllodra
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5 votes
21/x = 70/100 cross multiply and get 30
User Ranieribt
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