What was the gross weight of the package in kilograms ? if shipping costs 74 cents per kilogram how much did the package cost to send in dollars

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?