The inequality is .

Apply multiplication property of inequality: Multiply each side by 0.3.

          (Cancel common terms)

                 (Multiply: )

    (Multiply each side by negative one and flip the symbol)

                        (Product of two same signs is positive)

Graph the solution set on a number line 

Check:

To check, substitute 5.7, a number less than or equals to 5.7 in .

                (Divide: )

The inequality solution set is .