document.write( "Question 965811: the time, t, required to drive a certain distance varies inversely with speed, r. If it takes 12 hours to drive the distance at 60 miles per hour, how long will it take to drive the same distance at 85 miles per hour? \r
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document.write( "about 7.08 hours
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document.write( "about 5.00 hours
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document.write( "about 1.42 hours
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document.write( "about 8.47 hours \n" );
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Algebra.Com's Answer #590297 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=60*12 \n" ); document.write( "D=720 \n" ); document.write( "720=85T \n" ); document.write( "T=720/85 \n" ); document.write( "T=8.47 HOURS. \n" ); document.write( " |