the distance between town M and N is 280km a lorry and a car travelled from M to N .the car arrived 1hour 10minutes earlier than the lorry. calculate their speeds
Can't tell without more information. Pick any speed for the lorry, say 70 km/hr
Then the time for the lorry is 4 hr
Then the car moves at 98.8 km/hr
You can pick any other value for the lorry's speed and find a corresponding speed for the car.