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Year 7 Percentage of an Amount Worksheet — Level 2 — Practice Set 2 — 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 2 — Practice Set 2 — Answers

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1.Find 10% of 100.

Answer: 10

  1. 10% = 0.1
  2. 0.1 × 100 = 10
2.Find 30% of 620.

Answer: 186

  1. 30% = 0.3
  2. 0.3 × 620 = 186
3.Find 20% of 380.

Answer: 76

  1. 20% = 0.2
  2. 0.2 × 380 = 76
4.Aisha's weekly pay of $1180 increases by 10%. What is the new weekly pay?

Answer: $1298.00

  1. Increase: 10% of 1180 = 118
  2. 1180 + 118 = 1298.00
  3. (Or: 110% × 1180 = 1298.00)
5.Max's weekly pay of $240 increases by 30%. What is the new weekly pay?

Answer: $312.00

  1. Increase: 30% of 240 = 72
  2. 240 + 72 = 312.00
  3. (Or: 130% × 240 = 312.00)
6.Aisha's weekly pay of $280 increases by 15%. What is the new weekly pay?

Answer: $322.00

  1. Increase: 15% of 280 = 42
  2. 280 + 42 = 322.00
  3. (Or: 115% × 280 = 322.00)
7.Aisha's weekly pay of $1100 increases by 5%. What is the new weekly pay?

Answer: $1155.00

  1. Increase: 5% of 1100 = 55
  2. 1100 + 55 = 1155.00
  3. (Or: 105% × 1100 = 1155.00)
8.A jacket costs $1000. It is reduced by 5% in a sale. What is the sale price?

Answer: $950.00

  1. Discount: 5% of 1000 = 50
  2. 1000 − 50 = 950.00
  3. (Or: 95% × 1000 = 950.00)
9.Find 60% of 700.

Answer: 420

  1. 60% = 0.6
  2. 0.6 × 700 = 420
10.A jacket costs $820. It is reduced by 40% in a sale. What is the sale price?

Answer: $492.00

  1. Discount: 40% of 820 = 328
  2. 820 − 328 = 492.00
  3. (Or: 60% × 820 = 492.00)
11.A jacket costs $780. It is reduced by 60% in a sale. What is the sale price?

Answer: $312.00

  1. Discount: 60% of 780 = 468
  2. 780 − 468 = 312.00
  3. (Or: 40% × 780 = 312.00)
12.A jacket costs $940. It is reduced by 40% in a sale. What is the sale price?

Answer: $564.00

  1. Discount: 40% of 940 = 376
  2. 940 − 376 = 564.00
  3. (Or: 60% × 940 = 564.00)
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