Exam-Style Question on Ratio

A mathematics exam-style question with a worked solution that can be revealed gradually

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Question id: 485. This question is similar to one that appeared on a GCSE Higher paper in 2019. The use of a calculator is not allowed.

Sak needs 40 g of sugar to make 12 cakes.

He also needs four times as much flour as sugar and twice as much butter as sugar.

Sak is going to make 36 cakes.

(a) Work out the amount of butter he needs.

Sak has to buy all the flour he needs to make the cakes and he buys it in 500 g packs.

(b) How many packs of flour does Sak need to buy?

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