Question

The width of a rectangle is 6.25x - 3.5 feet and its length is 3.5x + 6 feet. Find the perimeter of the rectangle

Answer 1

see below

Explanation:

perimeter = 2*(6.25x - 3.5 + 3.5 x +6) =2(9.75x+2.5) = 19.5x+5