A plane took 3.55 hours to finish a journey. If the distance of the journey was 2840 miles, at what average speed did the plane travel
Answers
Given info : A plane took 3.55 hours to finish a journey. if the distance of the journey was 2840 miles.
To find : at what average speed did the plane travel ?
solution : average speed = total distance travelled/total time taken
here total distance = 2840 miles = 2840 × 1.6 km = 4544 km
total time taken = 3.55 hrs
now average speed of plane = 4544/3.55 km/hr
= 1280 km/h
Therefore the average speed of plane was 1280 km/h.
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Answer:
800 mph
Explanation:
Use the formula: Distance/Time=Speed
Distance: 2840 miles
Time: 3.55 hours
Now Divide, giving you the speed of 800 mph