Mathematics for IGCSE & O level - Ratio And Proportion (Section 1 - No. 5)
Two numbers are in the ratio of 7:4. The larger number is 28. What is the smaller number?
4
14
16
20
คำอธิบาย
The larger number is 28, so 7 * 4. The smaller number is 4 * 4 = 16