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Year 9 Percentage of an Amount Worksheet — Level 3 — Practice Set 2 — Answers

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

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Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Percentages

Year 9 Percentage of an Amount Worksheet — Level 3 — Practice Set 2 — Answers

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1.Find 2.5% of 260.

Answer: 6.5

  1. 2.5% = 0.025
  2. 0.025 × 260 = 6.5
2.Liam's weekly pay of $510 increases by 7%. What is the new weekly pay?

Answer: $545.70

  1. Increase: 7% of 510 = 35.7
  2. 510 + 35.7 = 545.70
  3. (Or: 107% × 510 = 545.70)
3.Oliver's weekly pay of $510 increases by 22%. What is the new weekly pay?

Answer: $622.20

  1. Increase: 22% of 510 = 112.2
  2. 510 + 112.2 = 622.20
  3. (Or: 122% × 510 = 622.20)
4.Find 18% of 150.

Answer: 27

  1. 18% = 0.18
  2. 0.18 × 150 = 27
5.Find 2.5% of 340.

Answer: 8.5

  1. 2.5% = 0.025
  2. 0.025 × 340 = 8.5
6.Isla's weekly pay of $420 increases by 45%. What is the new weekly pay?

Answer: $609.00

  1. Increase: 45% of 420 = 189
  2. 420 + 189 = 609.00
  3. (Or: 145% × 420 = 609.00)
7.A jacket costs $340. It is reduced by 45% in a sale. What is the sale price?

Answer: $187.00

  1. Discount: 45% of 340 = 153
  2. 340 − 153 = 187.00
  3. (Or: 55% × 340 = 187.00)
8.Amelia's weekly pay of $20 increases by 15%. What is the new weekly pay?

Answer: $23.00

  1. Increase: 15% of 20 = 3
  2. 20 + 3 = 23.00
  3. (Or: 115% × 20 = 23.00)
9.Find 2.5% of 380.

Answer: 9.5

  1. 2.5% = 0.025
  2. 0.025 × 380 = 9.5
10.Ruby's weekly pay of $100 increases by 12.5%. What is the new weekly pay?

Answer: $112.50

  1. Increase: 12.5% of 100 = 12.5
  2. 100 + 12.5 = 112.50
  3. (Or: 112.5% × 100 = 112.50)
11.Leo's weekly pay of $450 increases by 12%. What is the new weekly pay?

Answer: $504.00

  1. Increase: 12% of 450 = 54
  2. 450 + 54 = 504.00
  3. (Or: 112% × 450 = 504.00)
12.A jacket costs $110. It is reduced by 85% in a sale. What is the sale price?

Answer: $16.50

  1. Discount: 85% of 110 = 93.5
  2. 110 − 93.5 = 16.50
  3. (Or: 15% × 110 = 16.50)
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