The length of a room is 4 feet less than twice its width. The perimeter of the room is 58 feet. What is the length of the room?

Question

asked Jan 10, 2021 189k views

1 Answer

EmilMachine · Answer 1 · 2021-01-15T22:45:01+0000

Answer:

Length = 18

Explanation:

Length= 2w - 4

Perimeter= 58

Perimeter= 2L + 2w

58 = 2(2w-4) + 2w

58 = 4w -8 + 2w

58 = 6w - 8

66 = 6w

11 = w

Plug in width to find the variable L

58 = 2L + 2(11)

58 = 2L + 22

36 = 2L

18 = L