document.write( "Question 873638: you can paint a room in 8 hours, together you and your friend can paint a room in 5 hours. How long does it take your friend to paint a room by himself? \n" ); document.write( "

Algebra.Com's Answer #527000 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "   |Multiplying thru by 40x so as all denominators = 1
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document.write( "  5x + 40 = 8x
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document.write( "       40/3 = x = 13 1/3 hr, time it take your friend to paint a room by himself \n" );
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