Adwin's answer to Benny Kang's Primary 6 Maths Data Analysis Singapore question.

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Adwin
Adwin's answer
12 answers (A Helpful Person)
For both scenarios (pouring into mugs or cups), the total volume of coffee is the same.

So from the model, 1 unit is the volume of a cup and (1 unit + 130) is the volume of a mug.