One side of a triangle is 3 times the second side. The third side is 17 feet longer than the second side. The perimeter of a triangle is 52 feet. Find the length of each side.

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?