evangmoises23 evangmoises23
  • 10-03-2019
  • Mathematics
contestada

a train travels 57 kilometers in 2 hours and then 96 kilometers in 5 hours. what is average speed​

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PeachyLove
PeachyLove PeachyLove
  • 10-03-2019

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➷ Average speed = total distance / total time

Total distance = 57 + 96 = 153

Total time = 2 + 5 = 7

Substitute these values in:

Average speed = 153/7

Solve:

Average speed = 21.857142

The average speed is 21.86 km/h

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daequangrant daequangrant
  • 10-03-2019
23.85 km/h ( (57 /2)+(96 /5) )/ 2= 23.85
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