Respuesta :

x/3.6 = m/s

72/3.6 = 20

20m/s
Well if you traveled 72 km in an hour you would be going 12km every 10 minutes meaning 1.2 km every 1 minute so if you do 1200( metres) divided by 60 it would be 20 meaning the answer is 20 metres per second
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