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