Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 4)
In a mixture of paint, the ratio of red to blue to yellow is 4:3:2. If you use 8 ml of red paint, how much yellow paint do you need?
2 ml
3 ml
4 ml
6 ml
Explanation
Red to yellow is 4:2, which simplifies to 2:1. If red is 8 ml, then yellow is 8/2 = 4 ml
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