kimsoo28 kimsoo28

17-03-2015
Mathematics

Answered

What is the percent decrease from 60 to 39?

Answer :

anijlin anijlin

17-03-2015

The percent decrease we are going to use is "x"
If something decreases by 30%, then you are actually multiplying the number by 70%, which is 100% - 30% = 70%.
Therefore:

60 (1 - x) = 39
60 - 60x = 39
-60x = -21
x = 0.35 or 35%

The percent decreased 35% from 60 to 39

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