15-11-2016
Mathematics

contestada

What is the percent decrease of 80 to 64

Respuesta :

15-11-2016

The amount of decrease is (80 - 64) = 16

The fraction of decrease is the fraction of the original amount that disappeared.

That fraction is (16 / 80) = 1/5 = 0.2

To change a decimal to a percent,
move the decimal point 2 places that way ==> .

0.2 = 20%

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