question 2. Link is below? Below is the link for the 0625/62 May/June 13 alt tp pract. paper. I have the marking sceme with me but it does not explain how they got the answer. I need to find the answer for question number 2 part (d).

Paper -

Mark Scheme -

Please please please explain how they got the answer to be 40-50 cubic centi meters.

Thank you so very much!!!
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