SOLUTION: Paul wants to buy a stereo system. A 20% discount is given if the purchase is paid for within 10 days. If Paul pays $400 at the time of the purchase, what was the original price of

Question 633262: Paul wants to buy a stereo system. A 20% discount is given if the purchase is paid for within 10 days. If Paul pays $400 at the time of the purchase, what was the original price of the stereo system?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

 20% discount, paid 80% of the original price

   .80P = $400

      P = $400/.80 = $500 

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