Respuesta :
Answer:
A. $80
Step-by-step explanation:
First, let's find the cost of 15 soccer balls.
- [tex]15*40[/tex]
- $600
Next, cost of 20 soccer balls.
- 20 x 40 = 800
- 15 x 800 = 12000
- 12000/100 = 120
- 800 - 120 = 680
Lastly, the difference between 20 and 15 soccer balls:
- 680 - 600 = $80