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03-10-2016
Mathematics

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10 is 40% of what number

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DanielTako DanielTako

03-10-2016

25 is the 40% of 10.

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03-10-2016

let the unknown number be a ..
40% of a = 10
=> 40/100a = 10
=> 2/5a = 10
=> 2a = 10 * 5
=> a = 50/2
=> a = 25

so 10 is 40% of 25 ..

Hope it helps !!

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