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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

My recipe for apple crumble uses 100 g of flour, 50 g of butter and 50 g of sugar to make the crumble topping. When my family come for a meal, I have to use two and a half times each amount to provide enough crumble. In total, how much crumble topping do I then make?

(A) 0.5 kg0.5\text{ kg} (B) 2 kg2\text{ kg} (C) 2.5 kg2.5\text{ kg} (D) 5 kg5\text{ kg} (E) 50 kg50\text{ kg}

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