document.write( "Question 813537: if 9 men can do a work for 5 hrs a day in 16 days, in how many days will 18 men can do the work working 5 hrs \n" ); document.write( "

Algebra.Com's Answer #489755 by josmiceli(19441) $\"\"$ $\"About$

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Keep everything in terms of hours
\n" ); document.write( " $\"+5%2A16+=+80+\"$ hrs
\n" ); document.write( "The rate of working of 9 men is:
\n" ); document.write( "( 1 job ) / ( 80 hrs )
\n" ); document.write( "---------------
\n" ); document.write( "Twice as many men can do the same
\n" ); document.write( "job in half the time, so
\n" ); document.write( "18 men can do 1 job in $\"+80%2F2+=+40+\"$ hrs
\n" ); document.write( "If they work 5 hrs a day,
\n" ); document.write( " $\"+40%2F5+=+8+\"$
\n" ); document.write( "------------
\n" ); document.write( "18 men can do the job in 8 days \n" ); document.write( "

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