[tex] \frac{5}{8} = 0.625 = 62.5\%[/tex]
Zatem
[tex]100\% = 13\% + 62.5\% + 54km \\ 54km = 100\% - 13\% - 62.5\% \\54km = 24.5\%[/tex]
Teraz obliczmy długość całej trasy
[tex]54km - 24.5\% \\ x - 100\% \\ \\ x = \frac{54 \times 100}{24.5} = \frac{5400}{24.5} = 220 \frac{10}{24.5} = 220 \frac{100}{245} = 220 \frac{20}{49} km \approx \boxed{220,4 km}[/tex]
