document.write( "Question 771591: I am working with Rational Expressions and Equations:\r
\n" ); document.write( "\n" ); document.write( "The time required to do a job varies inversely as the number of people working. It takes 4 hrs. for 9 bricklayers to build a park wall how long will it take 8 bricklayers to complete the job. \n" ); document.write( "

Algebra.Com's Answer #470317 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+4+=+k%2A%28+1%2F9+%29+\"$
\n" ); document.write( " $\"+k+=+36+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+t+=+k%2A%28+1%2F8+%29+\"$
\n" ); document.write( " $\"+t+=+36%2A%28+1%2F8+%29+\"$
\n" ); document.write( " $\"+t+=+4.5+\"$
\n" ); document.write( "It takes 4.5 hrs for 8 bricklayers to
\n" ); document.write( "complete the job
\n" ); document.write( " \n" ); document.write( "

\n" );