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Year 8 Percentage of an Amount Worksheet — Level 3 — Answers

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Year 8 · Mathematics · Percentages

Year 8 Percentage of an Amount Worksheet — Level 3 — Answers

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1.Sienna's weekly pay of $430 increases by 15%. What is the new weekly pay?

Answer: $494.50

  1. Increase: 15% of 430 = 64.5
  2. 430 + 64.5 = 494.50
  3. (Or: 115% × 430 = 494.50)
2.Find 15% of 290.

Answer: 43.5

  1. 15% = 0.15
  2. 0.15 × 290 = 43.5
3.A jacket costs $550. It is reduced by 18% in a sale. What is the sale price?

Answer: $451.00

  1. Discount: 18% of 550 = 99
  2. 550 − 99 = 451.00
  3. (Or: 82% × 550 = 451.00)
4.Noah's weekly pay of $560 increases by 22%. What is the new weekly pay?

Answer: $683.20

  1. Increase: 22% of 560 = 123.2
  2. 560 + 123.2 = 683.20
  3. (Or: 122% × 560 = 683.20)
5.Ethan's weekly pay of $560 increases by 12%. What is the new weekly pay?

Answer: $627.20

  1. Increase: 12% of 560 = 67.2
  2. 560 + 67.2 = 627.20
  3. (Or: 112% × 560 = 627.20)
6.Oliver's weekly pay of $520 increases by 22%. What is the new weekly pay?

Answer: $634.40

  1. Increase: 22% of 520 = 114.4
  2. 520 + 114.4 = 634.40
  3. (Or: 122% × 520 = 634.40)
7.Find 45% of 160.

Answer: 72

  1. 45% = 0.45
  2. 0.45 × 160 = 72
8.Jack's weekly pay of $420 increases by 12%. What is the new weekly pay?

Answer: $470.40

  1. Increase: 12% of 420 = 50.4
  2. 420 + 50.4 = 470.40
  3. (Or: 112% × 420 = 470.40)
9.A jacket costs $540. It is reduced by 7% in a sale. What is the sale price?

Answer: $502.20

  1. Discount: 7% of 540 = 37.8
  2. 540 − 37.8 = 502.20
  3. (Or: 93% × 540 = 502.20)
10.A jacket costs $40. It is reduced by 12.5% in a sale. What is the sale price?

Answer: $35.00

  1. Discount: 12.5% of 40 = 5
  2. 40 − 5 = 35.00
  3. (Or: 87.5% × 40 = 35.00)
11.A jacket costs $510. It is reduced by 4% in a sale. What is the sale price?

Answer: $489.60

  1. Discount: 4% of 510 = 20.4
  2. 510 − 20.4 = 489.60
  3. (Or: 96% × 510 = 489.60)
12.Find 22% of 250.

Answer: 55

  1. 22% = 0.22
  2. 0.22 × 250 = 55
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