8.2g-2.7g-9.7g? what is the answer

Ineed with number 17 i don’t get it at alll

Aparking lot is to be 400 feet wide and 370 feet deep. how many standard-sized cars fit in this lot considering a double-loaded (w4) two way traffic set up, an angle of 90° and a sw of 9’ 0’’? (do not consider handicapped parking spaces, and consider 15’ for turning aisles). show your work.

On a architect's drawing of a house, 1 inche representa 1.5