document.write( "Question 437261: A painter can finish painting a house in 3 hours. Her assistant takes 5 hours to finish the same job. How long would it take for them to complete the job if they were working together? \r
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Algebra.Com's Answer #302456 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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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( "Question states*** Per hour being the equalizer
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document.write( "  1/3 + 1/5 = 1/x  Multiplying thru by 15x so as all denominators=1
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document.write( "   5x + 3x = 15
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document.write( "     8x = 15
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document.write( "      x = 15/8 or 1 7/8 hrs, time it would take together\r
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document.write( "CHECKING our Answer***
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document.write( "  5/15 + 3/15 = 1/(15/8) = 8/15 \n" );
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