A customer pays 30 dollars for a coffee maker after a discount of 20 dollars
What is the original price of the coffee maker?  Pick one.
A) 90	B) 40	C) 70	D) 60	E) 50
Let x be the original price.   x - 20 = 30   x - 20 + 20 = 30 + 20   x + 0 = 50   x = 50   Answer is 50
<result>E</result>
A customer pays 30 dollars for a coffee maker after a discount of 20 dollars
What is the original price of the coffee maker?