Correct answer only ! a car dealership sold one car in its first month of business. the number of cars it sold doubled each month. what was the total number of cars the dealership sold during the first 12 months?

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?