l7. Maximizing volume. From a SOCmbySOCm sheet of aluminum, square corners are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume? 19. Minimizing surface area. Drum Tight Containers is designing an opentop, squarebased, rectangular b0x that will have a volume of 62.5 in3. What dimensions will minimize surface area? What is the minimum surface area? 21. Minimizing surface area. Open Air Waste Management is designing a rectangular construction dumpster that will be twice as long as it is wide and must hold 12 yd3 of debris. Find the dimensions of the dumpster that will minimize its surface area