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

Answer sheet with worked solutions for the Year 7 percentages worksheet.

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Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Percentages

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

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1.Find 18% of 460.

Answer: 82.8

  1. 18% = 0.18
  2. 0.18 × 460 = 82.8
2.Find 4% of 390.

Answer: 15.6

  1. 4% = 0.04
  2. 0.04 × 390 = 15.6
3.Amelia's weekly pay of $80 increases by 12%. What is the new weekly pay?

Answer: $89.60

  1. Increase: 12% of 80 = 9.6
  2. 80 + 9.6 = 89.60
  3. (Or: 112% × 80 = 89.60)
4.Find 12% of 530.

Answer: 63.6

  1. 12% = 0.12
  2. 0.12 × 530 = 63.6
5.Mia's weekly pay of $110 increases by 22%. What is the new weekly pay?

Answer: $134.20

  1. Increase: 22% of 110 = 24.2
  2. 110 + 24.2 = 134.20
  3. (Or: 122% × 110 = 134.20)
6.A jacket costs $370. It is reduced by 85% in a sale. What is the sale price?

Answer: $55.50

  1. Discount: 85% of 370 = 314.5
  2. 370 − 314.5 = 55.50
  3. (Or: 15% × 370 = 55.50)
7.Sienna's weekly pay of $270 increases by 2.5%. What is the new weekly pay?

Answer: $276.75

  1. Increase: 2.5% of 270 = 6.75
  2. 270 + 6.75 = 276.75
  3. (Or: 102.5% × 270 = 276.75)
8.A jacket costs $500. It is reduced by 45% in a sale. What is the sale price?

Answer: $275.00

  1. Discount: 45% of 500 = 225
  2. 500 − 225 = 275.00
  3. (Or: 55% × 500 = 275.00)
9.A jacket costs $100. It is reduced by 2.5% in a sale. What is the sale price?

Answer: $97.50

  1. Discount: 2.5% of 100 = 2.5
  2. 100 − 2.5 = 97.50
  3. (Or: 97.5% × 100 = 97.50)
10.Archie's weekly pay of $550 increases by 4%. What is the new weekly pay?

Answer: $572.00

  1. Increase: 4% of 550 = 22
  2. 550 + 22 = 572.00
  3. (Or: 104% × 550 = 572.00)
11.Find 45% of 120.

Answer: 54

  1. 45% = 0.45
  2. 0.45 × 120 = 54
12.Oliver's weekly pay of $530 increases by 4%. What is the new weekly pay?

Answer: $551.20

  1. Increase: 4% of 530 = 21.2
  2. 530 + 21.2 = 551.20
  3. (Or: 104% × 530 = 551.20)
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