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.Oats costs $2.90 for 500 g. What is the price per 100 g?
Answer: $0.58
- $2.90 ÷ 5 = $0.58 per 100 g
2.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
3.Juice costs $2.40 for 1 L. What is the price per 100 mL?
Answer: $0.24
- $2.40 ÷ 10 = $0.24 per 100 mL
4.Rice costs $1.65 for 500 g. What is the price per 100 g?
Answer: $0.33
- $1.65 ÷ 5 = $0.33 per 100 g
5.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
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 $9.80 for 2 kg. What is the price per 100 g?
Answer: $0.49
- $9.80 ÷ 20 = $0.49 per 100 g
8.Rice costs $4.00 for 500 g. What is the price per 100 g?
Answer: $0.80
- $4.00 ÷ 5 = $0.80 per 100 g
Marking tips
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