The current of the Naboo River has speed 2 mph. It takes Senator Amidala's boat a total of 3 hours to travel 8 miles upstream and 8 miles back. Set up an equation that would find the speed of the boat in still water.

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?