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-- Multiply the fraction by the full price. -- Subtract the result from the full price. The difference is the discounted price.
-- If the coupon got you the item for free, then you saved 100% of the regular price.If the coupon got you a reduced price, then-- Divide (the amount you paid) by (the regular price of the item).-- After dividing, multiply the result by 100.-- After multiplying, subtract the result from 100.Now you have the percentage (of the regular price) that you saved.
E85 is 85% ethanol alcohol and 15% gasoline. A change in either the price of oil or the price of the corps used to make the alcohol for E85 will result in a change in the cost of E85.
Take the amount saved, divide it by discount percentage then multiply the result by 100.
first determine what is the cost price(CP) and the selling price(SP). Subtract CP from SP. if the result is positive then it is a profit. now divide the profit with CP and the resul which you will get multiply it with 100.Percentage profit= (profit/CP)*100