What is the area of the composite figure?

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

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?

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,