Ответ:

Farqni topish uchun Rayshan yugurgan masofadan Po‘lat yugurgan masofani ayiramiz:

\(6\frac{5}{8}-5\frac{4}{5}=\frac{53}{8}-\frac{29}{5}\).

Umumiy maxraj 40: \(\frac{53}{8}-\frac{29}{5}=\frac{265}{40}-\frac{232}{40}=\frac{33}{40}\).

Javob: \(\frac{33}{40}\) km.