Multiplying mixed numbers
Episode 4 of 4
Mrs Lim’s bottles of water
The question
Mrs Lim bought 25 bottles of water. Each bottle contained 1 1/2 ℓ of water. How many litres of water did she buy altogether? Express the answer as a mixed number.
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Answer
37 1/2 ℓ
The big idea
25 bottles of 1 1/2 ℓ: 25 wholes and 25 halves. Every 2 halves make 1 whole.
