Respostas

2014-01-23T14:41:50-02:00
S1=?
V1=80km
t1=2 hrs
S2=?
V2=75 km
t2=1 hr
S1=V1.t1 e S2=V2.t2
S1=80.2 e S2=75.1
S1=160 e S2=75
S1+S2=160+75 = 235 km