Answer:
$52.68
Explanation:
Tennis Rackets = r
Tennis balls = b
r = 0.85(43) because 100%-15% = 0.85.
b = 4(3) because you are buying 3 cans of tennis balls.
r = 36.55, b = 12
total cost = 8.5%(48.55) + 48.55
t = 0.085(48.55) + 48.55
t = 4.13 + 48.55 = 52.68