donttalk2me10
donttalk2me10
12-02-2015
Mathematics
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45 is 20% of what number?
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luana
luana
12-02-2015
[tex]x-\ number\\\\ 20\%x=45\\\\ \frac{20}{100}x=45\\\\ 0.2x=45\ \ \ | divide\ by\ 0.2\\\\ x=225\\\\ 45\ is\ 20\% \ of\ 225.[/tex]
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