Holly checked her answer to a division problem by estimating the quotient which is the best estimation of the quotient 23.564 divided by 5.97

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?