a rectangular flower garden that is 4 meters wide and has a perimeter of 26 meters.
What is the length of Lisa's flower garden?
30
W = width
L = length
P = perimeter
P = 2 W + 2 L
P = 2 ( W + L )
W = 4 , P = 26
26 = 2 ( 4 + L )
Divide both sides by 2.
13 = 4 + L
L = 13 - 4
L = 9 m