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I am needing to know the answer to 3/7 of what number is 9?

I am needing to know the answer to 3/7 of what number is 9?
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1 vote
I am needing to know the answer to 3/7 of what number is 9?

User That Dave Guy
by
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2 Answers

5 votes
The best thing to do is to find out what 1/7 is.
9/7= 1.28
1.28x3= 3.84
Therefore 3/7 of 9 is 3.84
Hope this helps :)
User Lyomi
by
7.5k points
3 votes
In math, "of" almost always means "times".

So your question is: 3/7 times (the number) = 9

Multiply each side of that equation by 7 : 3 times (the number) = 63

Divide each side by 3 : The number = 21
User Llullulluis
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8.5k points
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