Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 15)
A car travels 150km in 2 hours. How far will the car travel in 3.5 hours, maintaining a constant speed?
200 km
225 km
262.5 km
300 km
คำอธิบาย
Speed = 150/2 = 75 km/hr; so 75*3.5= 262.5 km