Question

A car travels first 40 km at a speed of 55km/hr and then 20 km at a speed of 50km/hr.Find the total time taken by the car to reach its destination.​

Answer 1

Answer:

67.2 minutes

Explanation:

CASE-1

As the car travels the firsts 40 km with the speed of 55km/h,

Total time taken = Distance/Velocity

= 40/55 = 8/11 hr

CASE-2

As the car travels the firsts 20 km with the speed of 50km/h,

Total time taken = Distance/Velocity

= 20/50 = 2/5 hr

TOTAL TIME

8/11 + 2/5 hr = 1.12hr or 67.2minutes [FINAL ANSWER]

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Answer 2

Explanation:

1.127 hours is the correct ans