document.write( "Question 622324: one painter can paint a room in 12 hours and another can paint the same room in 10 hours. How long will it take to paint the room if they work together? \n" ); document.write( "

Algebra.Com's Answer #391292 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "one painter can paint a room in 12 hours and another can paint the same room in 10 hours. 
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document.write( "How long will it take to paint the room if they work together?
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document.write( "Work PER hour KEY
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document.write( " 1/12 + 1/10 = 1/x     |Multiplying thru by 60x so as all denominators = 1
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document.write( "  5x + 6x = 60 
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document.write( "     11x = 60
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document.write( "       x = 5.45 hrs (rounded to 2 decimal points) \n" );
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