A carton holds 12 bottles of mineral water. Each bottle contains 750 ml. A school canteen uses 3 full cartons every week. How many litres of mineral water does the canteen use in 2 weeks?
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Worked Solution
Step 1: Find the volume of 1 carton. 12 × 750 ml = 9000 ml = 9 L.
Step 2: Find the volume used in 1 week. 3 cartons × 9 L = 27 L.
Step 3: Find the volume used in 2 weeks. 27 L × 2 = 54 L.
Answer: The canteen uses 54 L in 2 weeks.
Answer: 54 L
Correct answer: 54 L
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