Respostas

  • Usuário do Brainly
2014-07-24T16:15:48-03:00
v = 80 km/h
to =  7 : 30
so = 240
sf = 300

300 - 240 = 60 Km
V = S/t

80 = 60/t
t = 60/80
t = 0,75 h
t = 45 minutos

tf = 7:30 + 45
tf = 8 : 15 h

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