The perimeter of a rectangle is twice the sum of its length and its width. The
perimeter is 40 meters and its length is 2
meters more than twice its width. What is it’s length?

The length is 14 m.

Step-by-step explanation:

length = L

width = W

perimeter = P

"The perimeter of a rectangle is twice the  sum of its length and its width."

P = 2(L + W)

"The  perimeter is 40 meters"

40 = 2(L + W)

"and its length is 2  meters more than twice its width."

L = 2W + 2

Replace L with 2W + 2 in equation 40 = 2(L + W):

40 = 2(2W + 2 + W)

40 = 2(3W + 2)

20 = 3W + 2

3W = 18

W = 6

The width is 6 meters.

L = 2W + 2 = 2(6 m) + 2 m = 12 m + 2 m = 14 m

The length is 14 m.

step-by-step explanation:

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