A flower garden has been designed with an l shaped walkway and viewing area around two sides as shown. a rectangle with another rectangle in the lower right side marked flowers, the rest of the l shape around this is marked walkway the garden itself is 4 yards by 6 yards. the total area needed to build this landscape design is 64.61 square yards. what is the width of the walkway?
a) 3.1 yards
b) 2.69 yards
c) 1.55 yards
d) 13.1 yards