Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 16)
If the ratio of x to y is 3:8, which of the following is/are true?
x is greater than y.
y is greater than x.
y = (8/3)x.
x = (3/11)(x+y).
Vysvětlení
y is bigger since the ratio is 3:8. Also 8/3x or x=3/11(x+y).