Question

the width of a rectangle is 12 units less than the length. The perimeter is 108 units. Find the length

Answer 1

Length = x
Width = 2 x - 12

Equation Formation
2 (x) + 2(2 x - 12) = 108
2 x + 4 x - 24 = 108
6 x - 24 = 108
6 x = 132
x = 22

Length = 22 units