11) The table shows the price of shoes after using a coupon for a $13.50 discount.
Which of the following equations can be used to determine the original cost of the shoes?
Before
Coupon
After
Coupon
?
76.40
c+76.40 13.50
c+13.50= 76.40
c-13.50= 76.40
c+76.40-13.50