Acar can travel 476 miles on 14 gallons of gas. write an equation relating the distance d to the number of gallons g. how many gallons of gas does this car need to travel 578 miles

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?