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13-11-2014
Mathematics

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if 40% of a number is 56 what was the original number

Answer :

Аноним Аноним

12-01-2015

[tex]\begin{array}{ccc}100\%&-&x\\40\%&-56\end{array}\ \ \ |cross\ multiply\\\\40x=56\times100\\40x=5600\ \ \ \ \ |divide\ both\ sides\ by\ 40\\\\\boxed{x=140}[/tex]

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