document.write( "Question 993361: David leaves his house ,jogging down the street at 8mph. Once david has gone 1/4 mile, Jacob comes out and follows him at a rate of 8.5 mph. How long will it take jacob to catch david? In minutes \n" ); document.write( "
Algebra.Com's Answer #612641 by ikleyn(52797)\"\" \"About 
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\n" ); document.write( "The initial distance between them is \"1%2F4\" = 0.25 mile, and it decreases at the rate (8.5 - 8) = 0.5 miles per hour. \r
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\n" ); document.write( "\n" ); document.write( "So, it will take \"0.25%2F0.5\" = \"1%2F2\" hour, or 30 minutes, for Jacob to catch David.\r
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