Ryan went to the store to buy a CD. The CD was on sale for 10% off. If Ryan paid $13.50 for the CD, what was the original price of the CD?

PLZ HELP PLZZZZZ

Respuesta :

well first off, you take 1350/9=150
then you add it all together 1350+150=1500
then your full answer would be $15 was the original price