1. A triangle with a perimeter of 306 inches has one side that is 136 inches long. the lengths of the of her two sides have a ratio 4:6. what is the length, in inches, of the longest side of the triangle.

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?