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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 712 · 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 120 = 12
  2. 2.16 is what percent of 80?
  3. 3.What percent of 40 is 36?
  4. 4.What percent of 60 is 6?
  5. 5.13 is what percent of 50?
  6. 6.What percent of 25 is 17?
  7. 7.36 is what percent of 80?
  8. 8.What percent of 300 is 189?
  9. 9.What percent of 80 is 72?
  10. 10.?% of 25 = 4
  11. 11.?% of 20 = 2
  12. 12.177 is what percent of 300?
  13. 13.?% of 20 = 19
  14. 14.?% of 300 = 240
  15. 15.What percent of 50 is 22?
  16. 16.?% of 20 = 3
  17. 17.145 is what percent of 250?
  18. 18.?% of 25 = 16
  19. 19.What percent of 400 is 128?
  20. 20.56 is what percent of 80?
  21. 21.24 is what percent of 60?
  22. 22.12 is what percent of 40?
  23. 23.104 is what percent of 400?
  24. 24.What percent of 25 is 12?
  25. 25.What percent of 500 is 100?
  26. 26.What percent of 50 is 36?
  27. 27.?% of 150 = 21
  28. 28.What percent of 120 is 114?
  29. 29.?% of 80 = 12
  30. 30.What percent of 50 is 17?
  31. 31.45 is what percent of 60?
  32. 32.52 is what percent of 400?
  33. 33.?% of 250 = 35
  34. 34.What percent of 120 is 90?
  35. 35.What percent of 80 is 44?
  36. 36.What percent of 25 is 23?
  37. 37.What percent of 80 is 48?
  38. 38.What percent of 150 is 21?
  39. 39.24 is what percent of 150?
  40. 40.21 is what percent of 25?

Answer key

  1. 10
  2. 20
  3. 90
  4. 10
  5. 26
  6. 68
  7. 45
  8. 63
  9. 90
  10. 16
  11. 10
  12. 59
  13. 95
  14. 80
  15. 44
  16. 15
  17. 58
  18. 64
  19. 32
  20. 70
  21. 40
  22. 30
  23. 26
  24. 48
  25. 20
  26. 72
  27. 14
  28. 95
  29. 15
  30. 34
  31. 75
  32. 13
  33. 14
  34. 75
  35. 55
  36. 92
  37. 60
  38. 14
  39. 16
  40. 84

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