Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 46)
If two quantities are inversely proportional:
As one quantity increases, the other quantity decreases.
The product of the two quantities is constant.
The ratio of the two quantities is constant.
They increase together in the same ratio
คำอธิบาย
Inversely proportional, one decreases as the other increases.