Răspunsuri

2014-08-22T17:56:27+03:00
V=d/t de unde t=d/v=190km/60km/h=19/6 h = 3 1/6 h = 3 h 10 min
daca face pauze la 50 km inseamna 3 pauze, adica 15 min in plus
deci face 3 h 25 min