document.write( "Question 800246: when leaves have fallen a girl can take the yard in entire 8 hours. when a boy does it alone it takes him 8 hours. how long will it take them to rake the yard together? \n" ); document.write( "
Algebra.Com's Answer #483017 by Alan3354(69443)\"\" \"About 
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when leaves have fallen a girl can take the yard in entire 8 hours. when a boy does it alone it takes him 8 hours. how long will it take them to rake the yard together?
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\n" ); document.write( "4 hours
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