The distance around a circular flower bed is 36 feet. jasper wants to put stakes every 8 inches (2/3 of a foot) around the bed. how many stakes does he need?

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?