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Three Varieties of Percent Word Problems Practice Questions

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Updated on Oct 5, 2011

To review these concepts, go to Three Varieties of Percent Word Problems Study Guide.

Three Varieties of Percent Word Problems Practice Questions

Practice

Find the percent of the number.

  1. 1% of 50
  2. 10% of 50
  3. 100% of 50
  4. 0.5% of 40
  5. 75% of 120
  6. 25% of 44
  7. 15% of 600
  8. 110% of 80
  9. 100% of 92
  10. 250% of 20

 What percent is one number of another?

  1. 10 is what % of 40?
  2. 6 is what % of 12?
  3. 12 is what % of 6?
  4. 50 is what % of 50?
  5. 3 is what % of 120?
  6. 15 is what % of 100?
  7. 1.2 is what % of 90?
  8. 25 is what % of 75?
  9. 66 is what % of 11?
  10. 1 is what % of 500?

 Find the whole when a percent is given.

  1. 100% of what number is 3?
  2. 10% of what number is 3?
  3. 1% of what number is 3?
  4. 20% of what number is 100?
  5. 75% of what number is 12?
  6. 50% of what number is 45?
  7. 80% of what number is 100?
  8. of what number is 7?
  9. 150% of what number is 90?
  10. 300% of what number is 18?

Percent Word Problems

If you are unfamiliar with word problems or need brushing up on how to go about solving them, refer to Lessons 15 and 16 for extra help.

  1. Polls predict that in November, 52% of registered voters in Los Angeles County will vote against Proposition D. If there are 4 million registered voters, how many are predicted to vote for Proposition D?
  2. Jenn writes for Rolling Stone, covering only jazz and country musicians. In her career, 40% of her stories have been about jazz musicians. If she has written 72 stories about country musicians, how many stories has she written about jazz musicians?
  3. Handle with Care, a non-profit organization that specializes in educating young parents, spends 7% of its contributions per year on marketing. If it spent $27,120.00 on marketing last year, how much did it earn in contributions?
  4. A store's New Year's Sale is offering 30% off all shoes and bags. If Jo-Anne buys a bag for $80 and a pair of shoes for $120, what will her pre-tax total be on her purchase?
  5. An MP3 player costs $220, and sales tax isWhat will the total price be, with tax?
  6. On Senior Skip Day, only 18 seniors showed up for classes at Ridgemont High School. If 80% of the senior class skipped school, how many students are members of the senior class?
  7. A certain car sells for $20,000, if it is paid for in full (the cash price). However, the car can be financed with a 10% down payment and monthly payments of $1,000 for 24 months. How much more money is paid for the privilege of financing, excluding tax? What percent is this of the car's cash price?
  8. Six and one-half feet of thread are used in one pair of jeans. If 1 foot 11 inches of that thread is used in decorative stitching on the pockets, approximately what percentage of thread is used for decorating the pockets?

Solutions

  1. 0.5 or
  2. 5
  3. 50
  4. 0.2
  5. 90
  6. 11
  7. 90
  8. 88
  9. 92
  10. 50
  11. 25%
  12. 50%
  13. 200%
  14. 100%
  15. 2.5%
  16. 15%
  17. or %
  18. % or %
  19. 600%
  20. 0.2% or %
  21. 3
  22. 30
  23. 300
  24. 500
  25. 16
  26. 90
  27. 125
  28. 8
  29. 60
  30. 6
  31. 1,920,000
  32. 48
  33. $452.000
  34. $140
  35. $237.05
  36. 90
  37. $6,000; 30%
  38. 30%
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