demensions

[kj47456]

I need to know how this answer was found. you have a room that measures 40'x100'x20' the room is 75% full what is the volume of unoccupied space. Answer given was 20,000 cu. feet How was this figured out ?????

 

[stapel]

The word is spelled "dimensions".

Use the volume formula you've memorized to find the total volume. Then multiply by the given percentage (after converting it to decimal form, of course) to find the volume that is the given percentage of the total.

Eliz.