document.write( "Question 1173938: At the swinging club there are 3 boys for every 4 girls. How many girls are there if there are 21 boys?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #799264 by ikleyn(52908) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "Use the proportion\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "     = ,\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "or in reduced form\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "     = .    <<<---===  the typo is just fixed at this point.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "From the proportion,  find  x =  = 4*7 = 28  girls.    ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );