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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 577 · 40 questions
TalentJR

How to work it out (Part over whole): Find the whole (the number after “of”) and the part. Percent = part ÷ whole × 100. Multiply the part by 100 first, then divide by the whole: 18 × 100 = 1800, and 1800 ÷ 72 = 25, so 25%.

NameDateTime takenScore ___ / 40
  1. 1.?% of 50 = 36
  2. 2.What percent of 250 is 200?
  3. 3.?% of 20 = 4
  4. 4.32 is what percent of 40?
  5. 5.What percent of 25 is 11?
  6. 6.?% of 400 = 160
  7. 7.7 is what percent of 25?
  8. 8.What percent of 80 is 68?
  9. 9.5 is what percent of 20?
  10. 10.16 is what percent of 50?
  11. 11.What percent of 80 is 20?
  12. 12.45 is what percent of 60?
  13. 13.What percent of 60 is 42?
  14. 14.54 is what percent of 60?
  15. 15.What percent of 120 is 90?
  16. 16.What percent of 60 is 48?
  17. 17.What percent of 150 is 108?
  18. 18.What percent of 250 is 70?
  19. 19.?% of 20 = 14
  20. 20.What percent of 50 is 19?
  21. 21.What percent of 500 is 345?
  22. 22.What percent of 150 is 123?
  23. 23.What percent of 50 is 7?
  24. 24.What percent of 120 is 54?
  25. 25.?% of 150 = 84
  26. 26.What percent of 80 is 48?
  27. 27.What percent of 300 is 45?
  28. 28.5 is what percent of 50?
  29. 29.76 is what percent of 80?
  30. 30.What percent of 20 is 14?
  31. 31.?% of 25 = 20
  32. 32.What percent of 400 is 304?
  33. 33.5 is what percent of 25?
  34. 34.What percent of 500 is 40?
  35. 35.What percent of 20 is 9?
  36. 36.8 is what percent of 80?
  37. 37.What percent of 120 is 102?
  38. 38.180 is what percent of 500?
  39. 39.15 is what percent of 60?
  40. 40.What percent of 250 is 225?

Answer key

  1. 72
  2. 80
  3. 20
  4. 80
  5. 44
  6. 40
  7. 28
  8. 85
  9. 25
  10. 32
  11. 25
  12. 75
  13. 70
  14. 90
  15. 75
  16. 80
  17. 72
  18. 28
  19. 70
  20. 38
  21. 69
  22. 82
  23. 14
  24. 45
  25. 56
  26. 60
  27. 15
  28. 10
  29. 95
  30. 70
  31. 80
  32. 76
  33. 20
  34. 8
  35. 45
  36. 10
  37. 85
  38. 36
  39. 25
  40. 90

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