$\"\"$

The inequality is $\"\"$ .

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

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

$\"\"$ (Cancel common terms)

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

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

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

Check:

To check, substitute a number greater than or equals to 4 in $\"\"$

$\"\"$

$\"\"$ (Quotient of two different signs is negative)

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

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