document.write( "Question 1142673: A room measures 4m by 7m and the ceiling is 3m high. A liter of paint covers 20m^2. How many liters of paint will it take to paint all but the floor of the room? \n" ); document.write( "

Algebra.Com's Answer #763381 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
The area of the 4 walls is:
\n" ); document.write( " $\"+2%2A4%2A3+%2B+2%2A7%2A3+=+24+%2B+42+\"$
\n" ); document.write( " $\"+24+%2B+42+=+66+\"$
\n" ); document.write( "The area of the ceiling is:
\n" ); document.write( " $\"+4%2A7+=+28+\"$
\n" ); document.write( "---------------------------
\n" ); document.write( "The combined area is:
\n" ); document.write( " $\"+66+%2B+28+=+94+\"$ m2
\n" ); document.write( "---------------------------
\n" ); document.write( " $\"+94%2F20+=+4.7+\"$
\n" ); document.write( "4.7 liters of paint are needed\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );