AQA · Mathematics · 8300

GCSE Maths: Money: Cost per kg

Ratio & Proportion · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Money: Cost per kg (Corbettmaths Video 400), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.

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  1. How do you find the cost of 1kg when given the price of several kilograms?

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    Divide the total price by the number of kilograms (unitary method).

  2. Carrots cost 52p per kg. What do 4kg of carrots cost?

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    £2.08 (4 × 52p = 208p).

  3. 5kg of mince costs £47. What do 4kg of mince cost?

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    £37.60 (£47 ÷ 5 = £9.40 per kg, then × 4).

  4. How do you convert grams to kilograms before using a price per kg?

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    Divide the grams by 1000 (e.g. 750g = 0.75kg).

  5. Blueberries cost £11 per kg. What do 750g of blueberries cost?

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    £8.25 (0.75 × £11).

  6. Raisins cost £3.80 per kg. What do 650g of raisins cost?

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    £2.47 (0.65 × £3.80).

  7. 4.2kg of almonds costs £41.37. What do 1.8kg of almonds cost?

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    £17.73 (£41.37 ÷ 4.2 = £9.85 per kg, then × 1.8).

  8. Broccoli is £2/kg, potatoes 90p/kg. 7kg potatoes plus broccoli costs £12.30. How much broccoli?

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    3kg (potatoes cost £6.30, leaving £6.00, and £6.00 ÷ £2 = 3).

  9. 6kg apples at £2.70/kg plus 5kg oranges costs £28.20. Cost of 1kg of oranges?

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    £2.40 (apples cost £16.20, leaving £12.00, and £12.00 ÷ 5 = £2.40).

  10. Asparagus £8.30/kg, broccoli £2.50/kg. 460g broccoli plus asparagus costs £6.96. How much asparagus?

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    700g (broccoli costs £1.15, leaving £5.81, and £5.81 ÷ £8.30 = 0.7kg).

  11. How do you split 2.4kg in the ratio 2:1:5?

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    Divide by the total parts (8) to get 0.3kg per part, giving 0.6kg, 0.3kg and 1.5kg.

  12. Mushrooms cost 30p per 100g. What do 300g of mushrooms cost?

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    90p (3 × 30p).

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