document.write( "Question 1021282: Jean filled the pool in 8 hours, and Mark filled it in 12 hours. The supervisor says it will take them 10 hours to fill it together. Is the supervisor correct or not, and why. (I found a GCF of 24 but I'm not sure if that's correct) \n" ); document.write( "
Algebra.Com's Answer #637027 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
\"Filling THE pool\" is the job to be done.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "RATES:
\n" ); document.write( "Jean \"1%2F8\"
\n" ); document.write( "Mark \"1%2F12\"
\n" ); document.write( "in units of POOL per HOURS\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Combined fill rate for Jean and Mark working on the task together is \"1%2F8%2B1%2F12\", POOLS per HOUR.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"%281%2F8%29%283%2F3%29%2B%281%2F12%29%282%2F2%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"3%2F24%2B2%2F24\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"5%2F24\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "That is 24 HOURS to fill 5 POOLS;
\n" ); document.write( "\"24%2F5\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"highlight%284%264%2F5%29\" HOURS per POOL.
\n" ); document.write( "
\n" );