document.write( "Question 1173835: Two welders working together can complete a job in 6 h. One of the welders, working alone, can complete the task in 15 h. How long would it take the second welder, working alone, to complete the task? \n" ); document.write( "
Algebra.Com's Answer #799143 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
first welder, rate \"1%2F15\"
\n" ); document.write( "second welder, rate \"1%2Ft\"
\n" ); document.write( "both welders at same time, \"1%2F6\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"1%2F15%2B1%2Ft=1%2F6\"\r
\n" ); document.write( "\n" ); document.write( "LCD is 30t;\r
\n" ); document.write( "\n" ); document.write( "\"30t%281%2F15%2B1%2Ft%29=30t%281%2F6%29\"\r
\n" ); document.write( "\n" ); document.write( "\"2t%2B30=5t\"\r
\n" ); document.write( "\n" ); document.write( "\"3t=30\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28t=10%29\"
\n" ); document.write( "
\n" );