SOLUTION: If I increase the size of a ball by 50% two times in a row, what is the percent increase assuming that the initial size of the ball was 20?

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Question 1143628: If I increase the size of a ball by 50% two times in a row, what is the percent increase assuming that the initial size of the ball was 20?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
20%2B20%2A0.5=30, first time
30%2B30%2A0.5=30%2B15=45, the second time

Percent Increase, 100%2845-20%29%2F20
125% Increase


Not the only interpretation