You are designing a rectangular poster to contain 50in^2 of printing with a 4-in margin on the top and bottom and a 2-inch margin at each side. What overall dimensions will minimize the amount of paper used?

Question

anonymous · Answer

w l = 50
w = 50/l

(w + 4) (l + 8)

anonymous · Answer

(50/l + 4) (l + 8)

50  + 4l + 400/l + 32

Find the derivative of this and then set it equal to zero

anonymous · Answer

Thank you sooo much :D

anonymous · Answer

Press good answer if I got it corect