Question

An aeroplane takes 15 hours to cover a distance at a speed of 720 kilometre per hour. if the average speed of the plane is increased to 800 km per hour find the time taken to cover the same distance.​

Answer 1

Answer:

13.5 hr

Step-by-step explanation:

• speed of aeroplane = 720km/h
• Time taken to cover = 15
• If aeroplane cover same distance at speed 800km/ hr
• time taken to cover at speed 800km/h=?

Solution:-

Distance = Speed x Time

720x15 = 10800Km

Now find the time to cover 10800 km at speed 800km/h

Time = Distance /Speed

10800/800 = 13.5 hr

Answer 2

Answer:

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