$\"\"$

The inequality is $\"\"$

Apply multiplication property of inequality: $\"\"$ .

$\"\"$ (Multiply each side by 6)

$\"\"$ (Cancel common terms)

$\"\"$ (Multiply: $\"\"$ ) $\"\"$

The solution set is $\"\"$ .

Graph the solution set on a number line. $\"number$

Note: The point indicated with closed circle is included in the solution set. $\"\"$

Check:

To check, substitute a number greater than or equal to 18 in the inequlity $\"\"$ .

$\"\"$ (Substitute $\"\"$ )

$\"\"$ (Divide: $\"\"$ )

The inequality is true. $\"\"$

The graph of is

$\"number$

The inequality solution set is $\"\"$ .