Question

at a physics convention, 10 companies set up equal sized square booths in a row along one wall of the convention center the booths are adjacent to each other and a 4-ft wide walkway surrounds the block of booths on three sides the total area of the booths and walkway is 2300 ft^2 what is the side length of each booth

Answer 1

 the answer is x=12.85ft
hope this helps