Odpowiedzi

2010-02-10T16:36:56+01:00
276 m na 4 min to w ciagu 1 min pokona 69 m (276:4)
to jak 1 min-69m to w 1 godz (60min) 4140m (69*60)
2010-02-10T16:46:43+01:00
60' : 4' = 15

276m * 15 = 4140m

4140m = 4,140km

odp.KOzica biegnie z predkoscia 4,140km/h