document.write( "Question 182136: Martha can rake the leaves in her yard in 8 hours. Her brother can do the job in 2 hours. How long will it take them to do the job working together? \n" ); document.write( "
Algebra.Com's Answer #136693 by tvandenberg(45)\"\" \"About 
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A few ways to solve this, I'll try to use the way that makes the most sense to me.\r
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\n" ); document.write( "\n" ); document.write( "In 8 hours, she can do one and he can do four. So, you could say in 8 hours they together can do 5 yards.\r
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\n" ); document.write( "\n" ); document.write( "8 hours / 5 yards = 1.6 hrs / yard
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