Set up an equation to calculate the following (create your own variable names): 1.       The wall area of a room not including two windows and a door. 2.       The number of miles given a number of...

Set up an equation to calculate the following (create your own variable names):

1.       The wall area of a room not including two windows and a door.

2.       The number of miles given a number of feet. (Use 5,280 feet per mile.)