document.write( "Question 849249: when all the leaves have fallen, a girl can rake the entire yard in 6 hours. when a boy does it alone, it takes him 9 hours. how long would it take them to rake the yard together? \n" ); document.write( "

Algebra.Com's Answer #511444 by richwmiller(17219) $\"\"$ $\"About$

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1/6+1/9=1/x
\n" ); document.write( "x = 18/5
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