document.write( "Question 631866: A bookcase is to have four shelves, including the top. The height of the bookcase is to be 2 feet more than the width and only 20 feet of lumber is available. Use an equation to determine the width and height of the bookcase. \n" ); document.write( "
Algebra.Com's Answer #397860 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
4w+2h=20;
\n" ); document.write( "h=w+2
\n" ); document.write( "4w+2(w+2)=20
\n" ); document.write( "4w+2w+4=20
\n" ); document.write( "6w=16
\n" ); document.write( "3w=8
\n" ); document.write( "w=8/3
\n" ); document.write( "h=8/3+6/3=14/3
\n" ); document.write( "
\n" );