document.write( "Question 1198405: 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 #832152 by MathTherapy(10557) $\"\"$ $\"About$

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\n" ); document.write( "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?
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Let time Marco takes, alone, be M\r\n" );
document.write( "Then time Cliff takes, alone, = 2M\r\n" );
document.write( "Therefore, Marco can do  of job in 1 hour, while Cliff can do  of job in 1 hour\r\n" );
document.write( "With both taking 5 hours to do entire job, working together, we get: \r\n" );
document.write( "                                                                      10 + 5 = 2M ------ Multipluing by LCD, 10M\r\n" );
document.write( "                                                                          15 = 2M\r\n" );
document.write( "                             Time Marco takes, doing entire job alone, or

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