Amoving van leaves a house traveling at an average rate of 40 mph. the family leaves the house 1/2 hour later following the same route in a car. they travel at a rate of 60 mph. how long will it take the car to catch up to the moving van? create a table

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?