A customer pays 70 dollars for a coffee maker after a discount of 20 dollars
What is the original price of the coffe maker?  Choose the correct choice from the following answers.
A) 50
B) 40
C) 90
D) 60
E) 20
Let x be the original price.   x - 20 = 70   x - 20 + 20 = 70 + 20   x + 0 = 90   x = 90   Answer is 90
<result>C</result>
A customer pays 70 dollars for a coffee maker after a discount of 20 dollars
What is the original price of the coffe maker?