$\"\"$ $\"\"$

The inequality is $\"\"$ .

Apply multiplication property of inequality: Multiply each side by 4.5.

$\"\"$

$\"\"$ (Cancel common terms)

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

$\"\"$ (Multiply each side by negative sign) \ \

$\"\"$ (Product of two same signs is positive) \ \

Graph the solution set on a number line

$\"\"$

Check:

To check, substitute 22.5, a number greater than 4 in $\"\"$ .

$\"\"$

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

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