I'm having issues figuring out an equation to figure this out...any help would be greatly appreciated!

ApplicationsThe perimeter of a rectangle is to be between 170 and 230 inches. Find the range of values for its length when its width is 45 inches.

< length <

ApplicationsThe perimeter of a square is to be from 45 meters to 90 meters. Find the range of values for its area.

< area <