Expressed as an algebraic equation 400 08 Y where Y is the original price. Rules to find the original price given the sale price and percent discount First consider the unknown original price as x. Either addsubtract the percentage given in the problem from 100 to determine what percentage we have Find 1 by dividing by percentage found in previous step Find 100 original amount by.
400 100 percent - 20 percent x original price 100 percent minus 20 percent is 80 percent or 08.
In most scenario the original price would be always lower than the current price and in some cases original price and current price can be the same. So to find the original amount think that 95 of the original amount paid amount And to solve divide the amount. If the percentage is an increase then add it to 100 if it is a decrease then subtract it from 100. 175 25 07.