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v = 5 km / h
t = s / v
t = 2 km / 5 km / h = 0,4 h = 24 minuty
6:30 + 24 minuty = 6:54
Odp. W pracy jest o godzinie 6;54.
5 km -------------- 60 min
2 km -------------- x
2 km · 60 min
x = --------------------------- = 24 min
5 km
6 h 30 min + 24 min = 6 g 54 min
Odp. Pan Michał jest w pracy o godz. 6:54.