A fruit cake uses flour, sugar and butter in the ratio . The total mass of these three ingredients is g. What mass of butter is used?
Answer and explanation
Correct answer: B. 150 g
- Step 1: Total parts: .
- Step 2: One part is g.
- Step 3: Butter is parts: g.
Answer
150 g.
Why not the others: 200 g: This is the mass of flour ( parts). 100 g: This is the mass of sugar ( parts). 112.5 g: This divides by the number of parts of flour instead of the total parts.
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