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What Percent Is a of b Worksheet

Percentage lesson 7: What percent is one number of another? · Set 455 · 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.What percent of 400 is 112?
  2. 2.What percent of 40 is 24?
  3. 3.30 is what percent of 120?
  4. 4.?% of 50 = 8
  5. 5.?% of 80 = 12
  6. 6.What percent of 250 is 70?
  7. 7.344 is what percent of 400?
  8. 8.What percent of 20 is 10?
  9. 9.?% of 120 = 48
  10. 10.?% of 400 = 368
  11. 11.What percent of 200 is 116?
  12. 12.What percent of 250 is 80?
  13. 13.What percent of 80 is 16?
  14. 14.12 is what percent of 20?
  15. 15.390 is what percent of 500?
  16. 16.24 is what percent of 120?
  17. 17.46 is what percent of 200?
  18. 18.236 is what percent of 400?
  19. 19.What percent of 500 is 290?
  20. 20.22 is what percent of 25?
  21. 21.What percent of 50 is 40?
  22. 22.51 is what percent of 150?
  23. 23.What percent of 400 is 256?
  24. 24.246 is what percent of 300?
  25. 25.?% of 120 = 12
  26. 26.?% of 40 = 6
  27. 27.?% of 120 = 66
  28. 28.What percent of 400 is 64?
  29. 29.?% of 40 = 8
  30. 30.?% of 80 = 16
  31. 31.?% of 40 = 36
  32. 32.What percent of 300 is 162?
  33. 33.What percent of 80 is 12?
  34. 34.What percent of 120 is 78?
  35. 35.99 is what percent of 150?
  36. 36.What percent of 20 is 1?
  37. 37.What percent of 40 is 6?
  38. 38.What percent of 20 is 4?
  39. 39.20 is what percent of 25?
  40. 40.What percent of 250 is 190?

Answer key

  1. 28
  2. 60
  3. 25
  4. 16
  5. 15
  6. 28
  7. 86
  8. 50
  9. 40
  10. 92
  11. 58
  12. 32
  13. 20
  14. 60
  15. 78
  16. 20
  17. 23
  18. 59
  19. 58
  20. 88
  21. 80
  22. 34
  23. 64
  24. 82
  25. 10
  26. 15
  27. 55
  28. 16
  29. 20
  30. 20
  31. 90
  32. 54
  33. 15
  34. 65
  35. 66
  36. 5
  37. 15
  38. 20
  39. 80
  40. 76

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