The width of the rectangle is 6 cm. What is the length if the perimeter is 44 cm?

The perimeter of a rectangle is the sum of the length and width of the rectangle multiplied by 2. Let’s write the formula:
P = (a + b) × 2, where a is the length of the rectangle, b is the width of the rectangle, P is the perimeter.
Knowing the width of the rectangle and its perimeter, we find the length:
a = (P-2b) / 2.
a = (44-2 × 6) / 2 = (44-12) / 2 = 32/2 = 16 cm.
Answer: the length of the rectangle is 16 cm.