v = s/t
t = v*s
s = t/v
Kowalscy:
v = 672km/12h = 65km/h
Nowakowie:
v = 612km/9h = 68km/h
Zalewscy:
s = 14h*57km/h = 798km
Górscy:
s = 8h*86km/h = 688km
Dębscy:
v = 327km/3h = 109km/h
Solscy:
s = 4h*98km/h = 392km/h