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Year 7 Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers

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Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Percentages

Year 7 Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers

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1.A jacket costs $330. It is reduced by 4% in a sale. What is the sale price?

Answer: $316.80

  1. Discount: 4% of 330 = 13.2
  2. 330 − 13.2 = 316.80
  3. (Or: 96% × 330 = 316.80)
2.Amelia's weekly pay of $60 increases by 18%. What is the new weekly pay?

Answer: $70.80

  1. Increase: 18% of 60 = 10.8
  2. 60 + 10.8 = 70.80
  3. (Or: 118% × 60 = 70.80)
3.Find 2.5% of 50.

Answer: 1.25

  1. 2.5% = 0.025
  2. 0.025 × 50 = 1.25
4.Find 85% of 410.

Answer: 348.5

  1. 85% = 0.85
  2. 0.85 × 410 = 348.5
5.Find 85% of 470.

Answer: 399.5

  1. 85% = 0.85
  2. 0.85 × 470 = 399.5
6.Sienna's weekly pay of $60 increases by 18%. What is the new weekly pay?

Answer: $70.80

  1. Increase: 18% of 60 = 10.8
  2. 60 + 10.8 = 70.80
  3. (Or: 118% × 60 = 70.80)
7.Layla's weekly pay of $310 increases by 18%. What is the new weekly pay?

Answer: $365.80

  1. Increase: 18% of 310 = 55.8
  2. 310 + 55.8 = 365.80
  3. (Or: 118% × 310 = 365.80)
8.Find 12% of 350.

Answer: 42

  1. 12% = 0.12
  2. 0.12 × 350 = 42
9.Aisha's weekly pay of $540 increases by 2.5%. What is the new weekly pay?

Answer: $553.50

  1. Increase: 2.5% of 540 = 13.5
  2. 540 + 13.5 = 553.50
  3. (Or: 102.5% × 540 = 553.50)
10.Isla's weekly pay of $500 increases by 7%. What is the new weekly pay?

Answer: $535.00

  1. Increase: 7% of 500 = 35
  2. 500 + 35 = 535.00
  3. (Or: 107% × 500 = 535.00)
11.Emma's weekly pay of $80 increases by 4%. What is the new weekly pay?

Answer: $83.20

  1. Increase: 4% of 80 = 3.2
  2. 80 + 3.2 = 83.20
  3. (Or: 104% × 80 = 83.20)
12.Find 12% of 290.

Answer: 34.8

  1. 12% = 0.12
  2. 0.12 × 290 = 34.8
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