Answer:
Your friend is correct
Step-by-step explanation:
15 addmissions
10 skate rentals
= 190
15 x 10 = 150
10 x 4 = 40
150 + 40 = 190
3 addmissions
2 skate rentals
= 38
3 x 10 = 30
2 x 4 = 8
30 + 8 = 38