SOLUTION: what is the average speed of a plane that takes 1hr40min to travel 800km? what working out did you use?

Question 374767: what is the average speed of a plane that takes 1hr40min to travel 800km?
what working out did you use?
Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
What is the average speed of a plane that takes 1hr & 40min to travel 800km?
what working out did you use?
Sol'n:
Average speed (s) = total distance/total time
first, convert 40 min, to in terms of hour so, it is equal to 2/3 hr.
then:
s = 800 km/ 1 & 2/3 hr.
s = 480-km/hr ----answer
or
s = 133.33 m/sec----answer
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