document.write( "Question 988702: A 21-foot board has been cut into two sections, one twice as long as the other. How long is each section? \n" ); document.write( "
Algebra.Com's Answer #609190 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
A 21-foot board has been cut into two sections, one twice as long as the other. How long is each section?
\n" ); document.write( "letx=length of shorter section
\n" ); document.write( "21-x=length of longer section
\n" ); document.write( "21-x=2x
\n" ); document.write( "3x=21
\n" ); document.write( "x=7
\n" ); document.write( "length of shorter section=7
\n" ); document.write( "21-x=length of longer section=14
\n" ); document.write( "
\n" );