Year 9 Best Buys and Unit Prices Worksheet — Level 1 — 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 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Pasta costs $5.50 for 1 kg. What is the price per 100 g?
Answer: $0.55
- $5.50 ÷ 10 = $0.55 per 100 g
2.Juice costs $13.20 for 2 L. What is the price per 100 mL?
Answer: $0.66
- $13.20 ÷ 20 = $0.66 per 100 mL
3.Juice costs $4.20 for 1 L. What is the price per 100 mL?
Answer: $0.42
- $4.20 ÷ 10 = $0.42 per 100 mL
4.Oats costs $2.15 for 500 g. What is the price per 100 g?
Answer: $0.43
- $2.15 ÷ 5 = $0.43 per 100 g
5.Oats costs $3.00 for 500 g. What is the price per 100 g?
Answer: $0.60
- $3.00 ÷ 5 = $0.60 per 100 g
6.Oats costs $18.00 for 2 kg. What is the price per 100 g?
Answer: $0.90
- $18.00 ÷ 20 = $0.90 per 100 g
7.Rice costs $1.00 for 500 g. What is the price per 100 g?
Answer: $0.20
- $1.00 ÷ 5 = $0.20 per 100 g
8.Rice costs $7.50 for 1 kg. What is the price per 100 g?
Answer: $0.75
- $7.50 ÷ 10 = $0.75 per 100 g
Marking tips
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