document.write( "Question 743551:
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document.write( "Danielle drove to a resort 260 miles from her home. She averaged 54 mph for the first part of her trip and 50 mph for the second part. If her total driving time was 5 hours, how long did she travel at each rate? \n" );
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Algebra.Com's Answer #452934 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "260=54T+50(5-T) \n" ); document.write( "260=54T+250-50T \n" ); document.write( "260-250=4T \n" ); document.write( "10=4T \n" ); document.write( "T=10/4 \n" ); document.write( "T=2.5 HOURS @ 54MPH. \n" ); document.write( "5-2.5=2.5 HOURS @ 50MPH. \n" ); document.write( "PROOF: \n" ); document.write( "260=54*2.5+50*2,5 \n" ); document.write( "260=135+125 \n" ); document.write( "260=260 \n" ); document.write( " |