Respuesta :
60 min = 1 hour
30 times 2 = 60
7.7 times 2 = 15.4
the avg speed is 15.4 km an hour
please mark brainliest :)
30 times 2 = 60
7.7 times 2 = 15.4
the avg speed is 15.4 km an hour
please mark brainliest :)
