SOLUTION: how do you slove a promblem to knoe the orignall price as in say you bought something for 15 dollars with a discount what is the orignally price the discount is 20 percent

Question 366506: how do you slove a promblem to knoe the orignall price as in say you bought something for 15 dollars with a discount what is the orignally price the discount is 20 percent
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!



Hi, 

*Note: 20% off is the same as paying 80% ot the full price

Let P represent the 'full' price in your example

.80*P = $15

P = $15/.80

P = $18.75



checking our answer

.20*18.75 = $3.75 off (Or paying $15) 

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