x ≤ 3
hours)
For Margie, the total cost should be no more than $27. So, we can write the inequality as:
$15 + $4x ≤ $27
Simplifying the inequality:
$4x ≤ $27 - $15
$4x ≤ $12
To find the value of x, divide both sides of the inequality by 4:
x ≤ 12 / 4
x ≤ 3