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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 519 · 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. 1.15 is what percent of 20?
  2. 2.What percent of 400 is 136?
  3. 3.?% of 25 = 23
  4. 4.52 is what percent of 200?
  5. 5.51 is what percent of 60?
  6. 6.34 is what percent of 40?
  7. 7.18 is what percent of 120?
  8. 8.?% of 500 = 110
  9. 9.?% of 120 = 96
  10. 10.What percent of 300 is 99?
  11. 11.What percent of 60 is 54?
  12. 12.What percent of 25 is 13?
  13. 13.?% of 250 = 130
  14. 14.6 is what percent of 60?
  15. 15.?% of 20 = 2
  16. 16.What percent of 300 is 135?
  17. 17.What percent of 500 is 315?
  18. 18.What percent of 20 is 10?
  19. 19.23 is what percent of 25?
  20. 20.?% of 80 = 32
  21. 21.?% of 200 = 74
  22. 22.?% of 150 = 72
  23. 23.What percent of 400 is 272?
  24. 24.What percent of 500 is 415?
  25. 25.What percent of 120 is 102?
  26. 26.?% of 50 = 25
  27. 27.What percent of 120 is 24?
  28. 28.?% of 300 = 267
  29. 29.What percent of 400 is 208?
  30. 30.9 is what percent of 60?
  31. 31.4 is what percent of 80?
  32. 32.?% of 80 = 64
  33. 33.What percent of 150 is 39?
  34. 34.36 is what percent of 120?
  35. 35.?% of 50 = 37
  36. 36.What percent of 50 is 6?
  37. 37.What percent of 40 is 22?
  38. 38.What percent of 50 is 7?
  39. 39.?% of 120 = 12
  40. 40.What percent of 80 is 28?

Answer key

  1. 75
  2. 34
  3. 92
  4. 26
  5. 85
  6. 85
  7. 15
  8. 22
  9. 80
  10. 33
  11. 90
  12. 52
  13. 52
  14. 10
  15. 10
  16. 45
  17. 63
  18. 50
  19. 92
  20. 40
  21. 37
  22. 48
  23. 68
  24. 83
  25. 85
  26. 50
  27. 20
  28. 89
  29. 52
  30. 15
  31. 5
  32. 80
  33. 26
  34. 30
  35. 74
  36. 12
  37. 55
  38. 14
  39. 10
  40. 35

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