Percentages

Practice sheet

Fresh questions from the whole chapter, to do on paper.

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  1. What is 50% of 340?
  2. What percent of 140 is 7?
  3. 60% of a number is 228. What is the number?
  4. A 160-dollar jacket's price goes up by 40%. What is the new price (dollars)?
  5. A 320-dollar game is 35% off. What is the sale price (dollars)?
  6. A town grew from 280 to 518 people. By what percent did it grow?
  7. A box really holds 400 cups, but a label says 520. What is the percent error?
  8. A board is really 36 cm long, but Ana measures 40 cm. What is her percent error?
  9. A bag should hold 600 g of rice, with at most 7% error. What is the smallest allowed mass (g)?