Lucys goal for her cycling class at the gym is to burn 450 cal in one hour. The number of calories, c, she actually burns in one hour varies from Her goal no more than 45 calories. Which in a quality represents the scenario? (9th grade Algebra 1)

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?