document.write( "Question 1123150: Cody left the park traveling 12 mph. Then, 2 hours later, Jeff left traveling the same direction at 18 mph. How long until Jeff catches up with Cody? \n" ); document.write( "

Algebra.Com's Answer #739408 by ikleyn(52797) $\"\"$ $\"About$

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document.write( "Let \"t\" be the time after Jeff left the park.\r\n" );
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document.write( "The the time after Cody left the park is (t+2) hours.\r\n" );
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document.write( "Jeff traveled the distance of 18*t miles.\r\n" );
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document.write( "Cody traveled 12*(t+2) miles.\r\n" );
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document.write( "At the moment Jeff catches up with Cody, they cover the same distance.\r\n" );
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document.write( "It gives you an equation\r\n" );
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document.write( "    18t = 12(t+2).\r\n" );
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document.write( "    18t = 12t + 24,\r\n" );
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document.write( "    18t - 12t = 24\r\n" );
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document.write( "     6t = 24\r\n" );
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document.write( "      t = 24/6 = 4 hours.\r\n" );
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document.write( "Answer.  4 hours.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See introductory lessons on Travel and Distance problems\r
\n" ); document.write( "\n" ); document.write( "    - Travel and Distance problems \r
\n" ); document.write( "\n" ); document.write( "    - Travel and Distance problems for two bodies moving in opposite directions \r
\n" ); document.write( "\n" ); document.write( "    - Travel and Distance problems for two bodies moving in the same direction (catching up)\r
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\n" ); document.write( "\n" ); document.write( "They are written specially for you.\r
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\n" ); document.write( "\n" ); document.write( "You will find the solutions of many similar problems there.\r
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\n" ); document.write( "\n" ); document.write( "Read them and learn once for all from these lessons on how to solve simple Travel and Distance problems.\r
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\n" ); document.write( "\n" ); document.write( "Become an expert in this area.\r
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