PLEASE, I NEED HELP WITH THIS QUESTION given three consecutive odd integers, their sum is two times the third number plus 11. what are the three numbers

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?