The map shows a path the canoe can take directly across the lake, which Is outlined in grey. There Is also a walking path represented by the dotted segments. Each square on the map represents 1 mile. A group was at the lake. Some used the canoe path to canoe directly across the lake, while the others walked on the walking path shown by the dotted lines, Which distance represents the difference in the lengths of the two paths the group took to the nesrest tenth of a mile?