Ответ:
\(5\frac{1}{8}=\frac{41}{8}\), \(3\frac{2}{5}=\frac{17}{5}\).
\(\frac{41}{8}-\frac{17}{5}=\frac{205-136}{40}=\frac{69}{40}\).
\(\frac{69}{40}:\frac{3}{40}=\frac{69}{40}\cdot\frac{40}{3}=23\).
Ответ: 23.
\(5\frac{1}{8}=\frac{41}{8}\), \(3\frac{2}{5}=\frac{17}{5}\).
\(\frac{41}{8}-\frac{17}{5}=\frac{205-136}{40}=\frac{69}{40}\).
\(\frac{69}{40}:\frac{3}{40}=\frac{69}{40}\cdot\frac{40}{3}=23\).
Ответ: 23.