document.write( "Question 284590: John can type 2/3 of a manuscript in 12 hours. If Laura and John work together, they can type the entire manuscript in 2 hours. If Laura worked alone, how long would it take her to type the manuscript? \n" ); document.write( "
Algebra.Com's Answer #206467 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! John is obviously not much of a typist and should just hire Laura to do it. \n" ); document.write( "John will take 18 hours to type the thing by himself.\r \n" ); document.write( "\n" ); document.write( "2/18+2/L=1 \n" ); document.write( "2L+36=18L \n" ); document.write( "36=16L \n" ); document.write( "9=4L \n" ); document.write( "9/4=L \n" ); document.write( "2 1/4=L \n" ); document.write( "2.25=L \n" ); document.write( "1/9+2/2.25=1 \n" ); document.write( "1/9+8/9=1 \n" ); document.write( "Laura does 8/9 of the work and John does 1/9 and most of his is probably errors. \n" ); document.write( "Laura can do it alone in 2 hours 15 minutes. \n" ); document.write( " \n" ); document.write( " |