Mrs Tan fills a kettle with 1.8 litres of water. She pours 650 ml into a thermos and 475 ml into a mug. How much water, in ml, is left in the kettle?
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Worked Solution
Step 1: Convert 1.8 L to ml. 1.8 L × 1000 = 1800 ml.
Step 2: Find total water poured out. 650 ml + 475 ml = 1125 ml.
Step 3: Subtract from starting amount. 1800 ml − 1125 ml = 675 ml.
Answer: 675 ml remains in the kettle.
Answer: 675 ml
Correct answer: 675 ml
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