During a 2 hour flight, for one-third of that time , the aeroplane flew at a speed of 760 km/h and for the rest of the time, it flew at a speed of 800 km/h .Find the distance covered during the flight
Answers
Given : Flight time = 2 hr
One third of time aeroplane flew at a speed of 760 km/h
Rest of time aeroplane flew at a speed of 800 km/h
To Find : Distance covered during flight
Solution:
Total Time of Flight = 2 hr
One third of Time = 2/3 hr
Remaining Time = 2 - 2/3 = 4/3 hr
One third of Time Flew at speed of 760 km/hr
Time = 2/3 hr
Distance = Speed * Time = 760 x 2/3 = 1520/3 km
Rest of Time Flew at speed of 800 km/hr
Time = 4/3 hr
Distance = Speed * Time = 800 x 4/3 = 3200/3 km
Total Distance = 1520/3 + 3200/3
= 4720/ 3 km
= 1,573.3 km
Distance covered during flight = 1,573.3 km
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