Year 9 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 9 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Ratio & RatesYear 9 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 2 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Rice costs $3.90 for 1 kg. What is the price per 100 g?
Answer: $0.39
- $3.90 ÷ 10 = $0.39 per 100 g
2.Rice costs $2.70 for 500 g. What is the price per 100 g?
Answer: $0.54
- $2.70 ÷ 5 = $0.54 per 100 g
3.Rice costs $3.80 for 500 g. What is the price per 100 g?
Answer: $0.76
- $3.80 ÷ 5 = $0.76 per 100 g
4.Pencils costs $21.36 for a pack of 24. What is the price per pencil?
Answer: $0.89
- $21.36 ÷ 24 = $0.89 per pencil
5.Pencils costs $6.84 for a pack of 12. What is the price per pencil?
Answer: $0.57
- $6.84 ÷ 12 = $0.57 per pencil
6.Juice costs $5.40 for 2 L. What is the price per 100 mL?
Answer: $0.27
- $5.40 ÷ 20 = $0.27 per 100 mL
7.Rice costs $16.20 for 2 kg. What is the price per 100 g?
Answer: $0.81
- $16.20 ÷ 20 = $0.81 per 100 g
8.Rice costs $14.60 for 2 kg. What is the price per 100 g?
Answer: $0.73
- $14.60 ÷ 20 = $0.73 per 100 g
Marking tips
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