I need some help pls somebody don't know these ones

w ≤ 15

Step-by-step explanation:

A rectangle is shape with 4 sides where 2 pairs of sides are equal and form 4 perpendicular angles. 1 pair of sides is the width and is distance w. 1 pair of sides is the length and is 10 inches. The total distance around the shape is the perimeter. We know the perimeter is 50 inches or less. Add each side together and let it be less than or equal to 50. Then solve for w.

P ≥ l + l + w + w

50 ≥ 10 + 10 + w + w

50 ≥ 20 + 2w

30 ≥ 2w

15 ≥ w