Respostas

2014-03-11T18:00:40-03:00
Resposta

Tempo 1

T1 = 200/50

T1 = 4h

Tempo 2

T2 = 300/75

T2 = 4h

Tempo total

T = 4 + 4
T = 8h

Distancia total

D = 200 + 300
D = 500km

V = 500/8
V = 62,5km/h
2 3 2