14-11-2014
Mathematics

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supose an original amount decrease by 75%. By what percent must the new amount increase in order to return to the original amount?

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15-11-2014

For example, the price of a clothing item is 100 dollars. If it decreases by 75%, it costs 25 dollars. In order to reach the price of 100 dollars again, it has to rise by 300%.

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