document.write( "Question 1080095: Marco can build a laptop twice as fast as Cliff. Working together, it takes them 5 hours. How long would it have taken Marco working alone? \n" ); document.write( "

Algebra.Com's Answer #694328 by ikleyn(52800) $\"\"$ $\"About$

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document.write( "Let \"m\" be the Marco's rate of work.\r\n" );
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document.write( "Then Cliff's rate of work is , according to the condition.\r\n" );
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document.write( "Also, the condition says that \r\n" );
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document.write( " = ,\r\n" );
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document.write( "which means that  = ,   or    = ,  m = = .\r\n" );
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document.write( "Hence, It will take  = 7.5 hours for Marko to complete the job working alone.\r\n" );
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document.write( "Answer.  It will take 7 hours and 30 minutes for Marko to complete the job working alone.\r\n" );
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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( "    - Using quadratic equations to solve word problems on joint work \r
\n" ); document.write( "\n" ); document.write( "    - Solving rate of work problem by reducing to a system of linear equations \r
\n" ); document.write( "\n" ); document.write( "    - Selected joint-work word problems from the archive \r
\n" ); document.write( "\n" ); document.write( "    - Joint-work problems for 3 participants\r
\n" ); document.write( "\n" ); document.write( "    - Had there were more workers, the job would be completed sooner\r
\n" ); document.write( "\n" ); document.write( "    - One unusual joint work problem\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 \"Rate of work and joint work problems\" of the section \"Word problems\".\r
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