Mathematics for IGCSE & O level - Ratio And Proportion (Section 4 - No. 7)
Which statement(s) is/are true about inverse proportion?
The number of workers and the time it takes to build a house.
The speed and time it takes to travel a fixed distance
The number of slices of pizza and the price per slice
The age and height of a person
Vysvětlení
As one quantity increases, the other decreases.