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Year 9 Percentage of an Amount Worksheet — Level 3 — Answers

Answer sheet with worked solutions for the Year 9 percentages worksheet.

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Year 9 · Mathematics · Percentages

Year 9 Percentage of an Amount Worksheet — Level 3 — Answers

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1.Find 35% of 180.

Answer: 63

  1. 35% = 0.35
  2. 0.35 × 180 = 63
2.A jacket costs $490. It is reduced by 7% in a sale. What is the sale price?

Answer: $455.70

  1. Discount: 7% of 490 = 34.3
  2. 490 − 34.3 = 455.70
  3. (Or: 93% × 490 = 455.70)
3.Grace's weekly pay of $260 increases by 2.5%. What is the new weekly pay?

Answer: $266.50

  1. Increase: 2.5% of 260 = 6.5
  2. 260 + 6.5 = 266.50
  3. (Or: 102.5% × 260 = 266.50)
4.A jacket costs $160. It is reduced by 12% in a sale. What is the sale price?

Answer: $140.80

  1. Discount: 12% of 160 = 19.2
  2. 160 − 19.2 = 140.80
  3. (Or: 88% × 160 = 140.80)
5.Find 85% of 20.

Answer: 17

  1. 85% = 0.85
  2. 0.85 × 20 = 17
6.Find 7% of 30.

Answer: 2.1

  1. 7% = 0.07
  2. 0.07 × 30 = 2.1
7.A jacket costs $590. It is reduced by 15% in a sale. What is the sale price?

Answer: $501.50

  1. Discount: 15% of 590 = 88.5
  2. 590 − 88.5 = 501.50
  3. (Or: 85% × 590 = 501.50)
8.Zoe's weekly pay of $110 increases by 18%. What is the new weekly pay?

Answer: $129.80

  1. Increase: 18% of 110 = 19.8
  2. 110 + 19.8 = 129.80
  3. (Or: 118% × 110 = 129.80)
9.Priya's weekly pay of $100 increases by 2.5%. What is the new weekly pay?

Answer: $102.50

  1. Increase: 2.5% of 100 = 2.5
  2. 100 + 2.5 = 102.50
  3. (Or: 102.5% × 100 = 102.50)
10.Find 65% of 190.

Answer: 123.5

  1. 65% = 0.65
  2. 0.65 × 190 = 123.5
11.A jacket costs $70. It is reduced by 12.5% in a sale. What is the sale price?

Answer: $61.25

  1. Discount: 12.5% of 70 = 8.75
  2. 70 − 8.75 = 61.25
  3. (Or: 87.5% × 70 = 61.25)
12.A jacket costs $250. It is reduced by 22% in a sale. What is the sale price?

Answer: $195.00

  1. Discount: 22% of 250 = 55
  2. 250 − 55 = 195.00
  3. (Or: 78% × 250 = 195.00)
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