bonjour
relayeur 1
distance = 31 km
vitesse = 12.5 km / h
temps = 2.48 h = 2 h 28 min 48 s
relayeur 2
distance = 24 km
temps = 2 h 10 min =
relayeur 3
distance = 9.36 x 2 .35 = 21.996 km
distance totale = 31 + 24 + 21.996 = 76.996 km
temps total = 2 h 28 min 48 s + 2 h 10 min + 2 h 21 min = 6 h 59 min 48 s
≅ 7 h
vitesse moyenne ≅ 10.99 km / h