Question

in a flight of 6000 kilometre aeroplane was slowed down due to bad weather and average speed for trip in reduced by 400 km per hour and the duration of the part is increased by 30 minutes and the actual time of plane​

Answer 1

Step-by-step explanation:

speed x, reduced speed x-400, [6000/(x-400) - 6000/x = 1/2, solve for x, u will get quad eq, one value will satisfy

Answer 2

Answer:

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