Crunchberry21 Crunchberry21

26-06-2017
Mathematics

contestada

A train travels 62 kilometers in 2 hours, and then 87 kilometers in 2 hours. What is its average speed? __________km/hr

how do you figure this one out

Respuesta :

rach5566 rach5566

26-06-2017

62
---- = 31 km per hour
2

87
---- = 43.5 km per hour
2

62 km + 87 km = 149 km
2 hours + 2 hours = 4 hours

149/4 = 37.25

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