A customer pays 60 dollars for a coffee maker after a discount of 20 dollars
What is the original price of the coffe maker? Choose the correct choice:  A) A)$50  B) B)$60  C) C)$70  D) D)$80  E) E)$90
Let x be the original price.   x - 20 = 60   x - 20 + 20 = 60 + 20   x + 0 = 80   x = 80   correct answer is $80)$80
<result>D</result>
A customer pays 60 dollars for a coffee maker after a discount of 20 dollars
What is the original price of the coffe maker?