document.write( "Question 595771: Hannah can clear a lot in 5.5 hours. Damon can do the same job in 7.5 hours. How long will it take for them to clear the lot if they work together?
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Algebra.Com's Answer #377289 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
they each do a FRACTION of the task based on their individual rates; the fractions sum to one, the WHOLE task\r
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\n" ); document.write( "\n" ); document.write( "(x / 5.5) + (x / 7.5) = 1
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