document.write( "Question 1070207: Michael and John work together building houses. Michael's crew can build a house in 8 days, while John's crew can finish the same house in 10 days. How long would it take both crews if the worked together? \n" ); document.write( "
Algebra.Com's Answer #685327 by ikleyn(52754)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "Michael and John work together building houses. Michael's crew can build a house in 8 days, while John's crew can finish
\n" ); document.write( "the same house in 10 days. How long would it take both crews if the worked together?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\r\n" );
document.write( "Michael's crew makes \"1%2F8\" of the job per day.\r\n" );
document.write( "\r\n" );
document.write( "John's crew makes \"1%2F10\" of the job per day.\r\n" );
document.write( "\r\n" );
document.write( "When the two crews work together, they make \"1%2F8%2B1%2F10\" = \"5%2F40+%2B+4%2F40\" = \"9%2F40\" of the work per day.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Hence,\r\n" );
document.write( " it will take \"40%2F9\" = \"4\" \"4%2F9\" days for the two crews to complete the job.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "It is very typical joint-work problem.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "For a wide variety of similar solved joint-work problems with detailed explanations see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Using Fractions to solve word problems on joint work,\r
\n" ); document.write( "\n" ); document.write( "    - Solving more complicated word problems on joint work,\r
\n" ); document.write( "\n" ); document.write( "    - Selected joint-work word problems from the archive \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Read them and get be trained in solving joint-work problems.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic \"Rate of work and joint work problems\" of the section \"Word problems\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );