Tom received a coupon in the mail for 30% off one regularly priced item for a local sporting goods store. He wishes to purchase a soccer ball for $22.50 and shin guards for $17.00. Which item should
he use his coupon on? Justify your answer by comparing the discount taken for each item.
a. Tom has to pay 7% in sales tax. What is the total cost of the purchase if the coupon is used on
the soccer ball?
I
b. Tom goes back to the same store a week later and notices all soccer balls are on sale for
$13.50
i. What is the discount on the soccer balls?
ii.
What is the better deal: the coupon for 30% off or the sale price of $13.50?