Answer:
$53.98
Explanation:
Given parameters:
Original cost of service = $69.97
Discount amount = $15.99
Unknown:
New cost that Barb will pay = ?
Solution:
The new cost will be the difference between the original cost of the service and the discount amount;
New cost = Original cost of service - discount amount
New cost = $69.97 - $15.99 = $53.98