Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 20)
Given that x/y = 2/3, which of the following statements are true?
x is larger than y
y is larger than x.
x/2 = y/3
3x=2y
설명
Since the ratio is 2:3, y must be bigger. Cross multiplying gives 3x = 2y, also dividing each side by 6 leads to x/2 = y/3