Question 857588
L = 2W
2W + 2L = 54
Substitute the value of L from the first equation into the second.
2W + 2(2w) = 54
2W + 4W = 54
6W = 54
W = 9
If W is 9, then L = 2*9, or 18
.
Add the L and W to check the perimeter.
9 + 9 + 18 + 18 =
18 + 36 =
54
success!