A number is increased by 25% and the resulting number is then decreased by 20%. The final number is what percent of the original number? I know the answer is 100 but how do I show it?
Last edited by mr fantastic; March 23rd 2010 at 03:22 AM. Reason: Restored deleted question.
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Originally Posted by donnagirl A number is increased by 25% and the resulting number is then decreased by 20%. The final number is what percent of the original number? I know the answer is 100 but how do I show it? Dear donnagirl, Suppose your number is x, then when it is increased by 25% the resulting number is, Then the result is decreased by 20% that is, So the number is 100% of the original number. Hope this will help you.
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