[tex]V=\frac{s}t /*t\\s=Vt[/tex]
Pan Wojciech :
[tex]V_w=15\frac{km}h\\t_w=1min=\frac{1}{60}h\\s_w=15\frac{km}h*\frac1{60}h=\frac{15}{60}km=0.25km=250m[/tex]
Pan Jerzy
[tex]V_j=20\frac{m}s\\t_j=1min=60s\\s_j=20\frac{m}s*60s=1200m[/tex]
[tex]s_j-s_w=1200m-250m=950m\\\\\text{Pan Jerzy przejechal o 950m wiecej niz Pan Wojciech}[/tex]