Year 7 Percentage of an Amount Worksheet — Level 2 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 percentages worksheet.
Year 7 Percentage of an Amount Worksheet — Level 2 — Practice Set 3 — Answers
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1.A jacket costs $920. It is reduced by 30% in a sale. What is the sale price?
Answer: $644.00
- Discount: 30% of 920 = 276
- 920 − 276 = 644.00
- (Or: 70% × 920 = 644.00)
2.Noah's weekly pay of $600 increases by 10%. What is the new weekly pay?
Answer: $660.00
- Increase: 10% of 600 = 60
- 600 + 60 = 660.00
- (Or: 110% × 600 = 660.00)
3.Find 20% of 400.
Answer: 80
- 20% = 0.2
- 0.2 × 400 = 80
4.Find 40% of 380.
Answer: 152
- 40% = 0.4
- 0.4 × 380 = 152
5.A jacket costs $620. It is reduced by 30% in a sale. What is the sale price?
Answer: $434.00
- Discount: 30% of 620 = 186
- 620 − 186 = 434.00
- (Or: 70% × 620 = 434.00)
6.A jacket costs $440. It is reduced by 20% in a sale. What is the sale price?
Answer: $352.00
- Discount: 20% of 440 = 88
- 440 − 88 = 352.00
- (Or: 80% × 440 = 352.00)
7.A jacket costs $720. It is reduced by 40% in a sale. What is the sale price?
Answer: $432.00
- Discount: 40% of 720 = 288
- 720 − 288 = 432.00
- (Or: 60% × 720 = 432.00)
8.Find 90% of 1000.
Answer: 900
- 90% = 0.9
- 0.9 × 1000 = 900
9.Aisha's weekly pay of $180 increases by 10%. What is the new weekly pay?
Answer: $198.00
- Increase: 10% of 180 = 18
- 180 + 18 = 198.00
- (Or: 110% × 180 = 198.00)
10.Find 5% of 720.
Answer: 36
- 5% = 0.05
- 0.05 × 720 = 36
11.Find 10% of 300.
Answer: 30
- 10% = 0.1
- 0.1 × 300 = 30
12.Find 75% of 920.
Answer: 690
- 75% = 0.75
- 0.75 × 920 = 690
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