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13-10-2016
Mathematics

contestada

when a number is decreased by 20% of itself, the result is 20. What is the number?

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desirjeanpierre desirjeanpierre

28-12-2016

the number is 4 because 20% /100 =0.2. and then, 0.2× 20=4. that mean the number is 4.

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