document.write( "Question 1146053: Mary works 2.5 times faster than Peter. Together, they do a job in 12.5 hours. How long does it take Mary working alone to do the same job?
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Algebra.Com's Answer #767376 by MathTherapy(10555)\"\" \"About 
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Mary works 2.5 times faster than Peter. Together, they do a job in 12.5 hours. How long does it take Mary working alone to do the same job?\r
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\n" ); document.write( "If she can do the entire job, alone in 5 hours, how can it possibly take BOTH parties 12.5 hours to do the job?
\n" ); document.write( "Obviously, Peter must have slowed them down!
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