Mathematics for IGCSE & O level - Proportion (Section 2 - No. 5)
Which of the following scenarios demonstrates an inverse relationship?
The number of hours worked and the total earnings (at a fixed hourly rate).
The speed of a car and the time taken to travel a fixed distance.
The number of items bought and the total price, where there is no discount.
The height of a tree and its age.
คำอธิบาย
An inverse relationship implies that as one variable increases, the other decreases. Speed and time to travel a fixed distance are inversely related.