Finding the Unknown in Multiplication & Division Equations

Find the unknown whole number that makes each equation true.

1. 1.4 × ? = 28
2. 2.? × 6 = 42
3. 3.8 × ? = 48
4. 4.? × 9 = 63
5. 5.5 × ? = 45
6. 6.? × 7 = 56
7. 7.3 × ? = 27
8. 8.? × 8 = 72
9. 9.6 × ? = 54
10. 10.? × 4 = 36
11. 11.56 ÷ ? = 7
12. 12.? ÷ 6 = 8
13. 13.72 ÷ ? = 9
14. 14.? ÷ 7 = 6
15. 15.45 ÷ ? = 5
16. 16.? ÷ 8 = 7
17. 17.63 ÷ ? = 9
18. 18.? ÷ 4 = 8
19. 19.2 × ? = 18
20. 20.? × 10 = 70
21. 21.30 ÷ ? = 6
22. 22.? ÷ 9 = 8