document.write( "Question 1092045: Willy Wanka's factory Has a machine that can make 1000 chocolates bars in5 hours. A new machine was brought and it could make the same amount of chocolates in only 3 hours. During the holiday rush, both machines were used together to make an order of 20,000 chocolates How long would both machines have to make them? \n" ); document.write( "
Algebra.Com's Answer #706544 by ikleyn(52875)\"\" \"About 
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document.write( "The rate of the old machine is \"1000%2F5\" chocs per hour.\r\n" );
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document.write( "The rate of the new machine is \"1000%2F3\" chocs per hour.\r\n" );
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document.write( "Their combined rate is \"1000%2F5+%2B+1000%2F3\" = \"3000%2F15+%2B+5000%2F15\" = \"8000%2F15\" chocs per hour.\r\n" );
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document.write( "It will take \"20000%2F%28%288000%2F15%29%29\" = \"%2820000%2A15%29%2F8000\" = 37.5 hours to make 20000 chocs working together.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Answer. 37.5 hours.\r
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\n" ); document.write( "It is a 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
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\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\r
\n" ); document.write( "\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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