document.write( "Question 1201379: Patty takes two hours to ice a cake alone, whereas Bob takes three hours to ice a cake alone. The number of hours it would take Patty and Bob working together to ice a cake is\r
\n" ); document.write( "\n" ); document.write( "a) 1 1/5 b) 1 1/4 c) 1 1/3 d) 2 1/2 e) 5
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Algebra.Com's Answer #835711 by ikleyn(52814)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "P makes  \"1%2F2\"  of the job per hour.\r\n" );
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document.write( "B makes  \"1%2F3\"  of the job per hour.\r\n" );
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document.write( "Working together, they make  \"1%2F2+%2B+1%2F3\" = \"5%2F6\"  of the job per hour.\r\n" );
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document.write( "Hence, they complete the job in  \"6%2F5\"  hours = 1 \"1%2F5\"  hours = 1 hour and 12 minutes (option a), working together.\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
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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