Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 36)
If the ratio of x:y is 1:4, which of these is/are correct?
x is greater than y.
y is greater than x.
x is 25% of y.
y is 400% of x.
คำอธิบาย
y is greater and x is 1/4, and y = 400% of x