Question 3
A water tank is being drained for maintenance. The table and graph show the volume v v\,v of water remaining in the tank at time t t\,t hours.
| Time ttt (hours) | Volume vvv (litres) |
|---|---|
| 0 | 15,000 |
| 4 | 12,600 |
| 8 | 10,200 |
| 12 | 7,800 |
| 16 | 5,400 |
| 20 | 3,000 |
Work out the rate at which the water is being drained from the tank.
Give your answer in litres per hour.
Real Life and Distance Time Graphs Questions
14 exam-style questions on CIE IGCSE Maths Real Life and Distance Time Graphs. Each one has a worked solution and a mark scheme showing where the marks go.