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Year 9 Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers

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Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Percentages

Year 9 Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers

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1.A jacket costs $420. It is reduced by 22% in a sale. What is the sale price?

Answer: $327.60

  1. Discount: 22% of 420 = 92.4
  2. 420 − 92.4 = 327.60
  3. (Or: 78% × 420 = 327.60)
2.A jacket costs $260. It is reduced by 65% in a sale. What is the sale price?

Answer: $91.00

  1. Discount: 65% of 260 = 169
  2. 260 − 169 = 91.00
  3. (Or: 35% × 260 = 91.00)
3.A jacket costs $260. It is reduced by 15% in a sale. What is the sale price?

Answer: $221.00

  1. Discount: 15% of 260 = 39
  2. 260 − 39 = 221.00
  3. (Or: 85% × 260 = 221.00)
4.A jacket costs $240. It is reduced by 18% in a sale. What is the sale price?

Answer: $196.80

  1. Discount: 18% of 240 = 43.2
  2. 240 − 43.2 = 196.80
  3. (Or: 82% × 240 = 196.80)
5.Tom's weekly pay of $90 increases by 7%. What is the new weekly pay?

Answer: $96.30

  1. Increase: 7% of 90 = 6.3
  2. 90 + 6.3 = 96.30
  3. (Or: 107% × 90 = 96.30)
6.Tom's weekly pay of $450 increases by 4%. What is the new weekly pay?

Answer: $468.00

  1. Increase: 4% of 450 = 18
  2. 450 + 18 = 468.00
  3. (Or: 104% × 450 = 468.00)
7.Find 7% of 410.

Answer: 28.7

  1. 7% = 0.07
  2. 0.07 × 410 = 28.7
8.Find 45% of 500.

Answer: 225

  1. 45% = 0.45
  2. 0.45 × 500 = 225
9.Find 85% of 120.

Answer: 102

  1. 85% = 0.85
  2. 0.85 × 120 = 102
10.A jacket costs $430. It is reduced by 12.5% in a sale. What is the sale price?

Answer: $376.25

  1. Discount: 12.5% of 430 = 53.75
  2. 430 − 53.75 = 376.25
  3. (Or: 87.5% × 430 = 376.25)
11.Aisha's weekly pay of $250 increases by 22%. What is the new weekly pay?

Answer: $305.00

  1. Increase: 22% of 250 = 55
  2. 250 + 55 = 305.00
  3. (Or: 122% × 250 = 305.00)
12.Find 12.5% of 530.

Answer: 66.25

  1. 12.5% = 0.125
  2. 0.125 × 530 = 66.25
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