A scale factor of 1/6 was used to create the scale drawing of a rectangular garden. The length of the garden on the map is 3 inches. What is the length of the actual garden in feet? Can anyone explain how to do this?

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?