document.write( "Question 370662: Alice can paint the house in 5 hours, and Bob can paint it in 7 hours. How long will it take them if they work together? \n" ); document.write( "

Algebra.Com's Answer #264237 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "Let x represent the time it would take working together
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document.write( "Question states. Per hour being the equalizer.
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document.write( "1/5 + 1/7 = 1/x  Multiplying each side of the equation  by 35x so as all denominators = 1
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document.write( "7x + 5x = 35
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document.write( "12x = 35
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document.write( "x = 2.92hr , time it would take working together
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