Question: Having trouble with this problem third attempt and not knowing why On April 3, 1988 the cost to mail a letter in the US' was

Having trouble with this problem third attempt and not knowing why

Having trouble with this problem third attempt and not knowing why On

On April 3, 1988 the cost to mail a letter in the US' was raised from 22 cents to 25 cents. Find the relative change in the cost. Relative change = www. wikipedia.com, accessed January 8, 2017

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