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

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asked Feb 27, 2017 118k views

1 Answer

Szabolcs Dombi · Answer 1 · 2017-03-03T00:43:27+0000

decreased by 20% means multiplied by 80%
80% of number=20
divide both sides by 4
20% of number=5
times 5 both sides
100% of number=25

the number is 25

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

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