The function V(x)=27x^2-9x represents the volume (in cubic yards) of the cylinder. The fiction W(x)=V(1/3x) represents the volume (in cubic yards) of the cylinder when x is measured in feet. W(15)

Molly planted vegetables in 0.6 of her garden and flowers in the rest of it. she planted green beans in 0.4 of the vegetable section of the garden. how much of her garden was planted with green beans?