Answer: A- $82.50 of the cost of the tires is going to be reduced.
B- $467.50 is going to be paid for the tires.
Explanation:
A. 550*0.15= $82.5
$82.50 of the cost of the tires is going to be reduced.
B. 550-82.5=$467.50
$467.50 is going to be paid for the tires.