Question

What must the length of a rectangle be if the with is 12 inches and the perimeter is at least 180 inches? :

Answer 1

`P = 2L + 2W`

`W = 12`

`=> 180 = 2L + 2(12)`

`=> 180 = 2L + 24`

`=> 156 = 2L`

`=> L = 78`