Answer:
17. 2
18. 54
19. 8
20. 6
Step-by-step explanation:
17. 10× 3= 30
30÷15 =2
18. 9×12= 108
108÷2= 54
19. 16×5 =80
80÷10= 8
20. 15×10= 150
150÷25= 6
hope it helps
