WyLdxFrenzy
WyLdxFrenzy
27-01-2015
Mathematics
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12 stamps increased by 125%
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Аноним
Аноним
28-01-2015
[tex]100\%+125\%=225\%\\\\\\\begin{array}{ccc}12&-&100\%\\\\x&-&225\%\end{array}\ \ \ \ |cross\ multiply\\\\\\100x=12\cdot225\\100x=2700\ \ \ \ |divide\ both\ sides\ by\ 100\\\\\boxed{x=27}\leftarrow answer[/tex]
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