A bridge that crosses a river 16 feet wide requires 4 reels of cable, 7.5 ten-foot steel rods, 3.012 pounds of
bolts, and 18.25 hours to assemble. If a bridge were to
be built across the Mississippi River (1,600 feet wide),
how much of each of the following items would be
needed: pounds of bolts, ten-foot steel rods, reels of
cable, and hours to assemble?