My answer key says the answer is E, but how..?

Link to question:

https://www.ox.ac.uk/sites/files/oxford/media_wysiwyg/TSA_Section%201%20of%202_TZ1_question%20paper.pdf

Link to question:

https://www.ox.ac.uk/sites/files/oxford/media_wysiwyg/TSA_Section%201%20of%202_TZ1_question%20paper.pdf

You’ve got to put the hours in the ratio 10:7:3 and split the money respectively, so it’s £30:£21:9, then pick the combinations that fulfil this.

Original post by Kahootchamp

You’ve got to put the hours in the ratio 10:7:3 and split the money respectively, so it’s £30:£21:9, then pick the combinations that fulfil this.

Ohhh I see it. I kept assuming they would only get one book each for some reason.

Thank you

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