ajutorrrrrrrrrrrrrrrrr dau corona
![Ajutorrrrrrrrrrrrrrrrr Dau Corona class=](https://ro-static.z-dn.net/files/ddb/b6dd0bc01ebc4b07e5d6df1f155f110c.png)
Explicație pas cu pas:
d=v*t
80=20*t
t=4 ore
a) d=25*4
d=100km
b)d=40*4
d=160km