posted by Willoby .
A home gardener plans to enclose two rectangular gardens with fencing. The dimensions of the garden: x by 12-x, y by 12-x-y
a. Find the values of x and y that maximize the total area enclosed.
b. What is the maximum total area enclosed?
c. How many meters of fencing are needed?
The total area A=A(x,y).
Solve the equations A'x=A'y=0 => a. x=y=4
hey thanks! but where did you get 16 in b?