Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 40)
The ratio of apples, bananas and oranges is 2:3:4. If the total number of fruits is 27, how many apples are there?
6
9
12
18
คำอธิบาย
Ratio is 2+3+4 = 9. 27/9 = 3. So apples is 2*3=6