Mathematics for IGCSE & O level - Rates (Section 1 - No. 49)
It takes half an hour to fill a 1000 litre tank. What is the average rate of flow?
1000 L/h
1500 L/h
2000 L/h
500 L/h
Vysvětlení
Rate of flow = Volume/Time. Rate of flow = 1000 L / 0.5 h = 2000 L/h