Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 31)
Which of these is (are) a correct statement about inverse proportion?
As one quantity increases, the other increases.
As one quantity increases, the other decreases.
The product of the two quantities is constant.
The ratio between the quantities is always the same.
Vysvětlení
Inversely proportional quantities behave in opposite directions, and their product remains constant.