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If 21% of a number is 3, find 7% of that number.

User Rovin
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1 Answer

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To find 7% of the number, you can use the proportion:

21%/3 = 7%/ x

Then you cross-multiply and solve for x:

21x = 3 x 7

21x = 21

x = 1

So, 7% of that number is 1.
User Wjchulme
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