Ответ:

\(\frac{1}{35}:\frac{4}{5}=\frac{1}{28}\).

\(1-\frac{1}{28}-\frac{8}{35}=\frac{117}{140}\).

\(\frac{117}{140}\cdot3\frac{1}{3}=\frac{117}{140}\cdot\frac{10}{3}=\frac{39}{14}=2\frac{11}{14}\).

Ответ: \(2\frac{11}{14}\)