Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 44)
A cake recipe calls for butter and sugar in the ratio 4:1. If you use 100g of butter, how much sugar should you use?
20 g
25 g
50 g
400 g
Vysvětlení
If butter = 4 parts = 100g, then 1 part is 25g. Therefore sugar is 25g