document.write( "Question 899254: working together, Brenda and Bill can pick 40 bushels of apples in 3.94 hours. Had he done it alone it would have taken Bill nine hours. Find how long it would take Brenda to do it alone. \n" ); document.write( "
Algebra.Com's Answer #545283 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
rate for A alone 9
\n" ); document.write( "rate for A & B together 3.94
\n" ); document.write( "1/a+1/b=1/x
\n" ); document.write( "1/9+1/b=1/3.94
\n" ); document.write( "1/b=1/3.94-1/9
\n" ); document.write( "1/b=9/35.46-3.94/35.46
\n" ); document.write( "1/b=5.06/35.46
\n" ); document.write( "1/b=1/7.00790514
\n" ); document.write( "b=7.00790514
\n" ); document.write( "rate for B alone 7.00790514
\n" ); document.write( "
\n" ); document.write( "
\n" );