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

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Year 7 · Mathematics · Percentages

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

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1.Emma's weekly pay of $480 increases by 10%. What is the new weekly pay?

Answer: $528.00

  1. Increase: 10% of 480 = 48
  2. 480 + 48 = 528.00
  3. (Or: 110% × 480 = 528.00)
2.Tom's weekly pay of $820 increases by 75%. What is the new weekly pay?

Answer: $1435.00

  1. Increase: 75% of 820 = 615
  2. 820 + 615 = 1435.00
  3. (Or: 175% × 820 = 1435.00)
3.Find 90% of 1100.

Answer: 990

  1. 90% = 0.9
  2. 0.9 × 1100 = 990
4.A jacket costs $1020. It is reduced by 90% in a sale. What is the sale price?

Answer: $102.00

  1. Discount: 90% of 1020 = 918
  2. 1020 − 918 = 102.00
  3. (Or: 10% × 1020 = 102.00)
5.A jacket costs $1040. It is reduced by 15% in a sale. What is the sale price?

Answer: $884.00

  1. Discount: 15% of 1040 = 156
  2. 1040 − 156 = 884.00
  3. (Or: 85% × 1040 = 884.00)
6.A jacket costs $180. It is reduced by 15% in a sale. What is the sale price?

Answer: $153.00

  1. Discount: 15% of 180 = 27
  2. 180 − 27 = 153.00
  3. (Or: 85% × 180 = 153.00)
7.Find 25% of 100.

Answer: 25

  1. 25% = 0.25
  2. 0.25 × 100 = 25
8.Find 25% of 40.

Answer: 10

  1. 25% = 0.25
  2. 0.25 × 40 = 10
9.Oliver's weekly pay of $140 increases by 5%. What is the new weekly pay?

Answer: $147.00

  1. Increase: 5% of 140 = 7
  2. 140 + 7 = 147.00
  3. (Or: 105% × 140 = 147.00)
10.Lucas's weekly pay of $1040 increases by 20%. What is the new weekly pay?

Answer: $1248.00

  1. Increase: 20% of 1040 = 208
  2. 1040 + 208 = 1248.00
  3. (Or: 120% × 1040 = 1248.00)
11.Find 15% of 400.

Answer: 60

  1. 15% = 0.15
  2. 0.15 × 400 = 60
12.Olivia's weekly pay of $940 increases by 10%. What is the new weekly pay?

Answer: $1034.00

  1. Increase: 10% of 940 = 94
  2. 940 + 94 = 1034.00
  3. (Or: 110% × 940 = 1034.00)
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