The inequality . 

Write the mixed numbers into improper fraction.

The improper fraction of       

Apply multplication property of inequality: Multiply each side by 5.

                            (Cancel common terms)

                   (Distributive property: )     

                            (Multiply: )     

             (Subtract 85 from each side)

                       (Additive inverse property: )

                             (Additive identity property: )

                                    (Subtract: )

                      (Divide each side by 5)                     

                                 (Cancel common terms)

                               (Divide: )

Graph the solution set on a number line.

Note: A dot means that this point is included in the solution set.

Check:

 To check, substitute a number less than or equal to – 0.2 in .

                 (Substitute n = – 0.2)

                       (Add: )

                       (Divide:)

The inequality is true.

The inequality solution is .