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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 79 · 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 40 = 12
  2. 2.92 is what percent of 400?
  3. 3.What percent of 40 is 22?
  4. 4.25 is what percent of 50?
  5. 5.What percent of 400 is 188?
  6. 6.?% of 400 = 244
  7. 7.What percent of 150 is 69?
  8. 8.44 is what percent of 80?
  9. 9.What percent of 400 is 104?
  10. 10.352 is what percent of 400?
  11. 11.?% of 150 = 45
  12. 12.What percent of 150 is 129?
  13. 13.?% of 200 = 84
  14. 14.13 is what percent of 25?
  15. 15.?% of 50 = 32
  16. 16.?% of 50 = 38
  17. 17.?% of 20 = 17
  18. 18.11 is what percent of 25?
  19. 19.What percent of 80 is 8?
  20. 20.?% of 250 = 130
  21. 21.What percent of 80 is 44?
  22. 22.304 is what percent of 400?
  23. 23.What percent of 500 is 260?
  24. 24.?% of 250 = 170
  25. 25.?% of 40 = 8
  26. 26.?% of 25 = 21
  27. 27.What percent of 80 is 12?
  28. 28.30 is what percent of 150?
  29. 29.12 is what percent of 80?
  30. 30.What percent of 80 is 72?
  31. 31.?% of 20 = 12
  32. 32.?% of 40 = 38
  33. 33.5 is what percent of 20?
  34. 34.55 is what percent of 500?
  35. 35.What percent of 120 is 42?
  36. 36.What percent of 400 is 196?
  37. 37.9 is what percent of 25?
  38. 38.?% of 80 = 52
  39. 39.60 is what percent of 80?
  40. 40.44 is what percent of 50?

Answer key

  1. 30
  2. 23
  3. 55
  4. 50
  5. 47
  6. 61
  7. 46
  8. 55
  9. 26
  10. 88
  11. 30
  12. 86
  13. 42
  14. 52
  15. 64
  16. 76
  17. 85
  18. 44
  19. 10
  20. 52
  21. 55
  22. 76
  23. 52
  24. 68
  25. 20
  26. 84
  27. 15
  28. 20
  29. 15
  30. 90
  31. 60
  32. 95
  33. 25
  34. 11
  35. 35
  36. 49
  37. 36
  38. 65
  39. 75
  40. 88

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