math
posted by christina
A classroom measures 32ft long, 25ft wide, and 9ft high. The combined area of doors and window is 140 ft^2. What is the remaining area of the four walls of the room?

drwls
Total WALL area is
2(32x9) + 2(25x9)  140 ft^2.
Do the calculation.
Floor and ceiling areas are not included. 
marie
886 sp. ft.

marie
its really easy... just find the area of all the wall except for the floor and ceiling. and subtract that by 140ft

Kelly
If all of the following operations are present in math calculation which of them should always be done first??

Mark
140
Respond to this Question
Similar Questions

math
A school is soundproofing a band room with insulating tiles. The room is rectangular and is 30 feet long, 40 feet wide, and 12 feet high. All four walls, the floor and the ceiling will be covered, but a window that is 10 feet long … 
physics
calculate the total area of the walls of a room 5m long 4m wide and 2.5m high 
physics
A room is 3.4 smoots wide, 7.1 smoots long, and 1.5 smoots high. 28% of the room's walls are windows and doors. Determine the inside wall surface area of a 1/20 scale model of the room. (sq. in) 
area
what is the total area of the four walls of a rectangular room 4 meters long by 5.5 meters wide by 3 meters high? 
algebra
A rectangular room measures 13 ½ feet long by 22 ¼ feet wide. Find the area of the room; remember, area = length x width. 
math
a room is 25ft long, 20 ft wide, and12ft tall. What is the volume of the room ? 
Math
You have a room in your home that has a bay window (looks like a trapezoid shape on the floor). You need to figure out the area of the room in order to get carpeting. The rectangular part has dimensions of 24ft by 30ft. If the window … 
Math
Two walls of a rectangle measures 9ft high and 15ft. Long. The other two walls are 8ft. high and 10ft. long. A gallon of paint will cover 440 sq. ft. of wall space. Is there enough paint to cover the walls? 
Math
the walls and ceiling of a hotel room need to painted. The floor is 20foot square and the ceiling is 8 feet high. What is the surface area of the walls and ceiling to be painted? 
Math
You wish to paint your room. It's four walls measures 9ft high and 10ft wide. If one gallon of paint covers 120sq. ft, how many gallons of paint will you need?