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  • 13-10-2016
  • Mathematics
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when a number is decreased by 20% of itself, the result is 20. What is the number?

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desirjeanpierre
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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