Question

On a 450 km trip to Manali, Tarun's driving speed was 40 km/h for half of the trip. If he completes
trip in 12 hours, find his driving speed for the rest of the journey.​

Answer 1

Answer:

Step-by-step explanation:

distance covered with speed 40km/hr= 225km

time taken = 225/40 hr = 45/8 hr

time left to complete his rest journey = 12 - 45/8

= 51/8 hr

therefore, driving speed for rest of journey = 225/. 51/8 = 600/17 km/hr  

ihope this is help ful u lot

Answer 2

Answer:

Half distance covered by journey =225km

speed =40km/h

time=225/40=45/8hour

total distance covered =12hour

remaining time=12-45/8

96-45/8=51/8hour

speed=250/51/8

250×8/51

2000/51km/hour