Решите уравнение: 1 1/5*x=6,6.

\[1\frac{1}{5}x = 6,6\]

\[1,2x = 6,6\]

\[x = \frac{6,6}{1,2} = \frac{66}{12} = \frac{11}{2}\]

\[x = 5,5.\]