Year 7 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 7 ratio & rates worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Ratio & RatesYear 7 Best Buys and Unit Prices Worksheet — Level 1 — Practice Set 3 — Answers
Find the price for the same amount of each (the unit price), then compare. Show your working.
1.Oats costs $8.80 for 2 kg. What is the price per 100 g?
Answer: $0.44
- $8.80 ÷ 20 = $0.44 per 100 g
2.Oats costs $2.90 for 1 kg. What is the price per 100 g?
Answer: $0.29
- $2.90 ÷ 10 = $0.29 per 100 g
3.Rice costs $3.75 for 500 g. What is the price per 100 g?
Answer: $0.75
- $3.75 ÷ 5 = $0.75 per 100 g
4.Pasta costs $2.05 for 500 g. What is the price per 100 g?
Answer: $0.41
- $2.05 ÷ 5 = $0.41 per 100 g
5.Pasta costs $2.70 for 1 kg. What is the price per 100 g?
Answer: $0.27
- $2.70 ÷ 10 = $0.27 per 100 g
6.Pasta costs $1.35 for 500 g. What is the price per 100 g?
Answer: $0.27
- $1.35 ÷ 5 = $0.27 per 100 g
7.Pencils costs $6.60 for a pack of 12. What is the price per pencil?
Answer: $0.55
- $6.60 ÷ 12 = $0.55 per pencil
8.Rice costs $2.55 for 500 g. What is the price per 100 g?
Answer: $0.51
- $2.55 ÷ 5 = $0.51 per 100 g
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