EM-989
Inverse proportion
E Math · Secondary 3 · Hard · Inverse proportion
The time hours taken to travel a distance is inversely proportional to the average speed km/h.
When the speed is 60 km/h, the journey takes 3 hours.
What is the time taken, in hours, if the speed is increased to 80 km/h?
When the speed is 60 km/h, the journey takes 3 hours.
What is the time taken, in hours, if the speed is increased to 80 km/h?
- 2.25
- 4
- 2
- 3.75
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.