*At first a price was decreased by 12%, then it was discounted again by an additional 5%. What is the percent of the total discount?
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P1-P1*0.05=0.95P1=0.95*0.88P=0.836P=P-0.164P. So the overall discont is 16.4%. first stage of discounting leads to new price 0.88x where x is original price. Multiply those two decimals to see the effective total discount's result, 0.836d so that discount is 1-0.836 =0.164.
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