document.write( "Question 357292: Betty and Karen have been hired to paint the house in a new development. Working together the women can paint a house in two-thirds the lime that it takes Karen working alone. Betty takes 6h to paint a house alone. How long does it take Karen to paint a house working alone? \n" ); document.write( "
Algebra.Com's Answer #255160 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "*Note: takes 2/3 of 6hrs or 4hrs to paint the house together.
\n" ); document.write( "Let x represenst the time it takes for Karen to paint the house alone
\n" ); document.write( "\"%281%2F6%29+%2B+%281%2Fx%29+=+%281%2F4%29\"
\n" ); document.write( "Multiplying thru with 24x
\n" ); document.write( "4x + 24 = 6x
\n" ); document.write( "24 = 2x
\n" ); document.write( "12 = x
\n" ); document.write( "Takes Karen 12 hrs to paint the house alone
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