Odpowiedź :
v=s/t
15 min=1/4 h
75=s/t-(1/4)
65=s/t
s=s
75(t-(1/4))=65t
t=1,875h-czas
droga:
65=s/1,875h
s=34 ⅔ km
15 min=1/4 h
75=s/t-(1/4)
65=s/t
s=s
75(t-(1/4))=65t
t=1,875h-czas
droga:
65=s/1,875h
s=34 ⅔ km