Under her cell phone plan, Meena pays a flat cost of $38 per month and $3 per gigabyte. She wants to keep her bill under $55 per month. Which inequality can be used to determine

x, the maximum number of gigabytes Meena can use while staying within her budget?

The inequality that can be used to determine x, the maximum number of gigabytes Meena can use while staying within her budget, is:

$38 + $3x <= $55

To determine the maximum number of gigabytes, x, Meena can use while staying within her budget, we can use the following inequality:

$38 + $3x ≤ $55