A car has to cover distance of 400km . It travellded the first 240 km at the speed of 60km/hr . The remaining distance was covered at a speed of 40km/hr. Find the time taken to complete the journey.
Answers
Answered by
1
Answer:
4 hours
Step-by-step explanation:
400-240=160
It means that the car has to travel 160 km with a speed of 40km/hr
To get the time taken to complete the journey;
160÷40=4
Hence, the answer is 4hrs.
Answered by
5
Answer:
Step-by-step explanation:
total distance = 400 km
case 1: distance covered = 240km
speed = 60 km/hr
time = distance/speed = 240/60 = 4 hr
case 2 : distance covered = 400km-240km = 160km
speed - 40km/hr
time = distance/speed = 160/40 = 4 hr
total time taken for the journey = 4hr + 4hr = 8hr
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