A recipe for 4 people uses 250 g of flour. A cook scales it up to feed 10 people. How much flour does the cook need?
Answer and explanation
Correct answer: A.
- Step 1: Flour per person: .
- Step 2: For 10 people: .
Answer
.
Why not the others: : doubles the flour, so only 8 people are catered for. : multiplies by 4 instead of by 2.5. : adds g for each of the extra people, ignoring that the recipe scales proportionally.
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