SOLUTION: If you add 20% of a number to itself, what percent of the result would you have to subtract to get the original number back?

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If you add 20% of a number to itself, what percent of the result would you have to subtract to get the original number back?      Log On


   



Question 543579: If you add 20% of a number to itself, what percent of the result would you have to subtract to get the original number back?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
n + 0.2n = 1.2n
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n = (1.2n) - (1/6)*(1.2n)
1/6 = 16.667%