Problema Solution

The length of a rectangle is 2 feet less the 4 times its width. The perimeter of the rectangle is 46 feet. Find the length of the rectangle.

Answer provided by our tutors

Let

x = the width of the rectangle, x>0

4x - 2 = the length of the rectangle

The perimeter is 46 feet means:

2(x + 4x - 2) = 46

........

click here to see the equation solved for x

........

x = 5 ft

4x - 2 = 4*5 - 2 = 20 - 2 = 18 ft

The length of the rectangle is 18 feet.