S=200km, t= 4h
V=?

2. S=60 km , t=20min
V=?

3. S=60km, V= 40km/h
t=?

4. S= 500m, V= 50km/h
t=?

5. V= 30km/h, t= 20 min
S=?

6. V= 80km/h, t= 2,5h
v=? do 15potrzebuje..​