Odpowiedzi

2010-03-08T18:06:46+01:00
2010-03-08T18:07:11+01:00
2,5h=150min
15min=20km
x=150min
x=(150min*20km)/15min
x=200km
1 5 1
2010-03-08T18:07:28+01:00
2,5 h = 10 x 15min

10 x 20km =200km