document.write( "Question 805751: Bob takes 2 hours longer to build a table than Fred takes. If they work at the same rate and work together they could build the table in 2 hrs and 24 mins. How long would Fred take working alone? \n" ); document.write( "
Algebra.Com's Answer #485721 by richwmiller(17219)\"\" \"About 
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2.4/b+2.4/f=1,
\n" ); document.write( "b=f+2
\n" ); document.write( "b = 6, f = 4
\n" ); document.write( "Fred takes 4 hours working alone
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