document.write( "Question 456091: It takes Maria 1 & 1/2 hours to deliver newspapers every morning. Hal can deliver the papers alone in one hour. How fast can they deliver the newspapers if they work together? \n" ); document.write( "
Algebra.Com's Answer #313091 by stanbon(75887)\"\" \"About 
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It takes Maria 1 & 1/2 hours to deliver newspapers every morning. Hal can deliver the papers alone in one hour. How fast can they deliver the newspapers if they work together?
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\n" ); document.write( "Maria DATA:
\n" ); document.write( "time = 3/2 hr/job ; rate = 2/3 job/hr
\n" ); document.write( "-----
\n" ); document.write( "Hal DATA:
\n" ); document.write( "time = 1 hr/job ; rate = 1 job/hr
\n" ); document.write( "------
\n" ); document.write( "Together DATA:
\n" ); document.write( "time = x hr/job ; rate = 1/x job/hr
\n" ); document.write( "--------------------------------------------
\n" ); document.write( "Equation:
\n" ); document.write( "rate + rate = together rate
\n" ); document.write( "2/3 + 1 = 1/x
\n" ); document.write( "5/3 = 1/x
\n" ); document.write( "x = 3/5 hr
\n" ); document.write( "x = 36 minutes to do the job together
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "============== \n" ); document.write( "
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