Реши уравнение: 6 3/7:1 6/7=4,5:y.

\[6\frac{3}{7}\ :1\frac{6}{7} = 4,5\ :y\]

\[\frac{45}{7}\ :\frac{13}{7} = 4,5\ :y\]

\[\frac{45}{7} \cdot \frac{7}{13} = 4,5\ :y\]

\[\frac{45}{13} = 4,5\ :y\]

\[y = \frac{45}{10}\ :\frac{45}{13} = \frac{45}{10} \cdot \frac{13}{45}\]

\[y = \frac{13}{10}\]

\[y = 1,3.\]