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17-12-2014
Mathematics

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When 40% of a number is added to the number, the result is 140. What is the number ?

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17-12-2014

[tex]x-searched\ number\\\\40\%x+x=140\\\\0.4x+x=140\\\\1.4x=140\ \ \ \ \ |:1.4\\\\x=100\\\\The\ number\ is\ 100[/tex]

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