SOLUTION: Please help me solve these two questions!!! 1. A rectangular room is 20 feet long and 10 feet wide. If you paint a red rectangle on the floor that is 9 feet long and 4 feet wide

Algebra ->  Surface-area -> SOLUTION: Please help me solve these two questions!!! 1. A rectangular room is 20 feet long and 10 feet wide. If you paint a red rectangle on the floor that is 9 feet long and 4 feet wide      Log On


   



Question 737000: Please help me solve these two questions!!!
1. A rectangular room is 20 feet long and 10 feet wide. If you paint a red rectangle on the floor that is 9 feet long and 4 feet wide, what is the area of the floor in the room that will NOT be red?
2.A rectangular wall is 11.6 feet long and 8.2 feet high. If the door in the wall is 3 feet wide and 7 feet high, what is the area of the wall excluding the door?

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(20*10)-(9*4)=164 sq ft
(11.6*8.2)-(3*7)=74.12 sq ft