Question

an aeroplane take 3 hours to travel at a distance of 3 300 km another aeroplane travel at a speed which Is 100 km per hour less than the first aeroplane how long will it take to form the same distance by the second aeroplane

Answer 1

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Answer 2

3.3hours. so, cal the speed of the 1st plane, s=d/t. so speed (s) of the first plane is 3300/3 =1100km/hr. the speed of the second plane is 100km/h less so speed of the second plane is 1000kmph. now, t=distance/speed. so t=3300/1000 =3.3h