In a ten-mile race First beats Second by 2 miles and First beats Third by 4 miles. If the runners maintain constant speeds throughout the race, by how many miles does Second beat Third?<spanclass=′latex−bold′>(A)</span>2<spanclass=′latex−bold′>(B)</span>241<spanclass=′latex−bold′>(C)</span>221<spanclass=′latex−bold′>(D)</span>243<spanclass=′latex−bold′>(E)</span>3