document.write( "Question 440803: If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together? \n" ); document.write( "

Algebra.Com's Answer #304396 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Sally can paint a house in 4 hours, and John can paint the same house in 6 hour
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document.write( "Let x represent the time for both of them to paint the house together
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document.write( "Question states*** Per hour the equalizer
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document.write( "  1/4 + 1/6 = 1/x
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document.write( "  3x + 2x = 12   |multiplying thru by 12x so as all denominators=1
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document.write( "     5x = 12
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document.write( "      x = 12/5 or 2.4hr Or 2 hour and 24 min \n" );
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