document.write( "Question 1023200: Fred is a long distance runner. He runs 2 mph faster than his video-game playing neighbor Joe. If they each run 12 mi, Fred finishes 30 min ahead of Joe. Determine how fast each person runs. \n" ); document.write( "

Algebra.Com's Answer #638710 by ikleyn(52802) $\"\"$ $\"About$

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\n" ); document.write( "Fred is a long distance runner. He runs 2 mph faster than his video-game playing neighbor Joe.
\n" ); document.write( "If they each run 12 mi, Fred finishes 30 min ahead of Joe. Determine how fast each person runs.
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document.write( "Your equation is \r\n" );
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document.write( " = ,\r\n" );
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document.write( "where J is Joe's speed.\r\n" );
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document.write( "The first term is the time Fred spent running 12 miles distance, the second term is time Joe spent.\r\n" );
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document.write( "0.5 is 0.5 of an hour = 30 minutes.\r\n" );
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document.write( "To solve it, multiply both sides by 2*J*(J+2).\r\n" );
document.write( "Then simplify and solve a quadratic equation.\r\n" );
document.write( "Can you complete it yourself?\r\n" );
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