Odpowiedzi

2010-03-30T19:33:50+02:00
S=208km
V₁=24 km/h
V₂=28km/h
s₁+s₂=208
s₁=208-s₂
t₁=s₁/V₁
t₂=s₂/V₂
t₁=t₂
(208-s₂)/24=s₂/28
24s₂=28(208-s₂)
52s₂=5824
s₂=112km
s₁=208-112=96km
t=96/24=4h



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