document.write( "Question 1163867: A newspaper boy can deliver his papers in 80 minutes.
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Algebra.Com's Answer #788103 by ikleyn(52800)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Their combined rate of work is\r\n" );
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document.write( "    \"1%2F80\" + \"1%2F120\" = \"3%2F240+%2B+2%2F240\" = \"5%2F240\" = \"1%2F48\"  of the job per minute.\r\n" );
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document.write( "Hence, they will complete the job in  48 minutes, working together.     ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "It is a standard and typical joint work problem.\r
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\n" ); document.write( "\n" ); document.write( "There is a wide variety of similar solved joint-work problems with detailed explanations in this site.  See the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Using Fractions to solve word problems on joint work \r
\n" ); document.write( "\n" ); document.write( "    - Solving more complicated word problems on joint work \r
\n" ); document.write( "\n" ); document.write( "    - Selected joint-work word problems from the archive \r
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\n" ); document.write( "\n" ); document.write( "Read them and get be trained in solving joint-work problems.\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-I in this site\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this textbook under the topic
\n" ); document.write( "\"Rate of work and joint work problems\"  of the section  \"Word problems\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
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