Direct proportion problems

1. 1.
   Solve for x: 17 = x/42
2. 2.
   Solve for x: 98 = x/32
3. 3.
   A cyclist rides 3 km in 9 minutes. At the same speed, how many minutes for 12 km?
4. 4.
   Solve for x: 92 = x/4
5. 5.
   4 litres of paint cover 12 m². How many m² will 16 litres cover?
6. 6.
   Solve for x: 48 = x/24
7. 7.
   6 litres of paint cover 36 m². How many m² will 24 litres cover?
8. 8.
   Solve for x: 59 = x/45
9. 9.
   6 cakes need 48 eggs. How many eggs for 24 cakes?
10. 10.
    5 litres of paint cover 45 m². How many m² will 10 litres cover?
11. 11.
    5 cakes need 30 eggs. How many eggs for 10 cakes?
12. 12.
    A cyclist rides 2 km in 16 minutes. At the same speed, how many minutes for 6 km?
13. 13.
    A cyclist rides 3 km in 12 minutes. At the same speed, how many minutes for 6 km?
14. 14.
    Solve for x: 84 = x/20
15. 15.
    A cyclist rides 5 km in 45 minutes. At the same speed, how many minutes for 20 km?
16. 16.
    Solve for x: 69 = x/36
17. 17.
    Solve for x: 57 = x/14
18. 18.
    Solve for x: 75 = x/10
19. 19.
    Solve for x: 86 = x/30
20. 20.
    Solve for x: 13 = x/12

Free maths worksheets and practice: rocketdigits.com/learn/direct-proportion-problems