document.write( "Question 78492: An experienced accountant can balance the books twice as fast as a new accountant. Working together, it takes the accountants 10 hours. How long would it take the expereinced accountant working alone. \n" ); document.write( "
Algebra.Com's Answer #56287 by stanbon(75887)\"\" \"About 
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An experienced accountant can balance the books twice as fast as a new accountant. Working together, it takes the accountants 10 hours. How long would it take the expereinced accountant working alone.
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\n" ); document.write( "Exp accountant DATA:
\n" ); document.write( "Time = x hr/job ; Rate = 1/x job/hr
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\n" ); document.write( "New accountant DATA:
\n" ); document.write( "Time = 2x hr/job ; Rate = 1/2x job/hr.
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\n" ); document.write( "Together DATA:
\n" ); document.write( "time = 10 hr/job ; Rate = 1/10 job/hr.
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\n" ); document.write( "EQUATION:
\n" ); document.write( "rate + rate = rate together
\n" ); document.write( "1/x + 1/2x = 1/10
\n" ); document.write( "3x/2x^2 = 1/10
\n" ); document.write( "30x=2x^2
\n" ); document.write( "x=15 hr (time for experienced accountant to do the job)
\n" ); document.write( "2x=30 hr (time for the new accountant to do the job)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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