SOLUTION: Three-sevenths of a number is 21.Find the number.

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Question 172287: Three-sevenths of a number is 21.Find the number.
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
%283%2F7%29x=21where x is the unknown
:
3x=147cross multiply
:
highlight%28x=49%29