she originally would pay $500 but now she is only paying $325 so we do 325/500 because this will give us the percentage she is paying which is 65% now we do 100%-65% and get that she saved 35%. the reason i subtract from 100% is because she is still paying 65% (0.65) but we need to know what she isn't paying (what she is saving) which is 35%
May 28th, 2015
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