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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 578 · 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 400 = 160
  2. 2.?% of 80 = 24
  3. 3.What percent of 40 is 20?
  4. 4.What percent of 150 is 87?
  5. 5.?% of 60 = 27
  6. 6.225 is what percent of 300?
  7. 7.What percent of 400 is 328?
  8. 8.?% of 60 = 45
  9. 9.What percent of 50 is 22?
  10. 10.What percent of 50 is 13?
  11. 11.80 is what percent of 250?
  12. 12.?% of 300 = 24
  13. 13.?% of 80 = 32
  14. 14.120 is what percent of 400?
  15. 15.What percent of 300 is 216?
  16. 16.What percent of 20 is 17?
  17. 17.?% of 300 = 234
  18. 18.What percent of 150 is 39?
  19. 19.30 is what percent of 40?
  20. 20.220 is what percent of 250?
  21. 21.34 is what percent of 40?
  22. 22.?% of 50 = 35
  23. 23.What percent of 300 is 183?
  24. 24.280 is what percent of 500?
  25. 25.?% of 25 = 17
  26. 26.What percent of 150 is 141?
  27. 27.10 is what percent of 20?
  28. 28.?% of 25 = 8
  29. 29.8 is what percent of 40?
  30. 30.?% of 80 = 72
  31. 31.114 is what percent of 300?
  32. 32.?% of 150 = 81
  33. 33.What percent of 50 is 33?
  34. 34.What percent of 80 is 12?
  35. 35.What percent of 150 is 108?
  36. 36.What percent of 300 is 54?
  37. 37.What percent of 25 is 7?
  38. 38.What percent of 250 is 105?
  39. 39.9 is what percent of 20?
  40. 40.170 is what percent of 500?

Answer key

  1. 40
  2. 30
  3. 50
  4. 58
  5. 45
  6. 75
  7. 82
  8. 75
  9. 44
  10. 26
  11. 32
  12. 8
  13. 40
  14. 30
  15. 72
  16. 85
  17. 78
  18. 26
  19. 75
  20. 88
  21. 85
  22. 70
  23. 61
  24. 56
  25. 68
  26. 94
  27. 50
  28. 32
  29. 20
  30. 90
  31. 38
  32. 54
  33. 66
  34. 15
  35. 72
  36. 18
  37. 28
  38. 42
  39. 45
  40. 34

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