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John travels in an airplane a distance of 800 km. For half of the distance, the airplane flies at a speed of 900 km/h and for the rest of the distance, it flies at a speed of 760 km/h. How long does the trip take?

 Sep 3, 2020
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rate * time = distance

time = distance / rate

 

400km/900km/hr   +   400km / 760/km/hr =   total time (in hours)

 Sep 3, 2020

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