SOLUTION: what number when increased by 25% of itself becomes 90%?

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Question 887214: what number when increased by 25% of itself becomes 90%?
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
i believe the number is 72%.

take 72% and increase it by 25% of 72% and you get 72% + 18% = 90%

the formula would be 1.25 * x = 90%
divide both sides of this formula by 1.25 and you get:
x = 90% / 1.25 = 72%