A farmer has 80 meters of fencing with which to construct three identical adjacent…
MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation
Problem
A farmer has 80 meters of fencing with which to construct three identical adjacent rectangular pens, arranged side-by-side in a single row so that the pens share interior fencing. What is the maximum total area, in square meters, the farmer can enclose?
(a) 160
(b) 200
(c) 400
(d) 3400(≈133.3)