Mathematics for IGCSE & O level - Ratio And Proportion (Section 2 - No. 27)
A recipe requires flour and sugar in the ratio 5:2. If 100 grams of flour are used, how many grams of sugar are needed?
20g
40g
50g
250g
Explanation
5:2, 100 = 5*20, so, sugar is 2*20 =40g
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