document.write( "Question 372716: Easy answers for this... how to figure it out\r
\n" ); document.write( "\n" ); document.write( "One window washer working alone can wash the windows of a certain building in 15 hours. His partner can do the job in only 10 hours. To the nearest half-hour, how many hours would they need to do the job working together? \n" ); document.write( "

Algebra.Com's Answer #265449 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Let x represent time it would take together
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document.write( "Per hour is the Equalizer
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document.write( "1/15 + 1/10 = 1/x  Multiplying each term by 30x so as all denominators = 1
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document.write( "2x + 3x = 30
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document.write( "5x = 30
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document.write( "x = 6hrs, the time it would take together
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