Odpowiedź :
[tex]dane:\\s = 1 \ 800 \ m = 1,8 \ km\\v = 6\frac{km}{h}\\t = ?\\\\s = v\cdot t \ \ /:v\\\\t = \frac{s}{v}\\\\t = \frac{1,8 \ km}{6\fra{km}{h}}\\\\t = 0,3 \ h = 18 \ min[/tex]
[tex]dane:\\s = 1 \ 800 \ m = 1,8 \ km\\v = 6\frac{km}{h}\\t = ?\\\\s = v\cdot t \ \ /:v\\\\t = \frac{s}{v}\\\\t = \frac{1,8 \ km}{6\fra{km}{h}}\\\\t = 0,3 \ h = 18 \ min[/tex]