document.write( "Question 907728: Elizabeth Suco and her friend Harold Tanner are riding their bicycles in a fundraiser for charity. Harold leaves the starting point at 7:00 AM and rides at 15 miles per hour. Elizabeth leaves the starting point at 7:30 AM and rides at 18 miles per hour.
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document.write( "How long after Elizabeth leaves the starting point will she catch up?
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document.write( "How far from the starting point will they be? \n" );
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Algebra.Com's Answer #550519 by lwsshak3(11628) ![]() You can put this solution on YOUR website! Elizabeth Suco and her friend Harold Tanner are riding their bicycles in a fundraiser for charity. Harold leaves the starting point at 7:00 AM and rides at 15 miles per hour. Elizabeth leaves the starting point at 7:30 AM and rides at 18 miles per hour.How long after Elizabeth leaves the starting point will she catch up? How far from the starting point will they be? \n" ); document.write( "*** \n" ); document.write( "let x=Elizabeth's travel time \n" ); document.write( "x+.5=Harolds's travel time \n" ); document.write( "speed*travel time=distance (equal for both) \n" ); document.write( ".. \n" ); document.write( "15(x+.5)=18x \n" ); document.write( "15x+7.5=18x \n" ); document.write( "3x=7.5 \n" ); document.write( "x=2.5 \n" ); document.write( "18x=45 \n" ); document.write( "How long after Elizabeth leaves the starting point will she catch up? 2.5 hrs \n" ); document.write( "How far from the starting point will they be? 45 miles \n" ); document.write( " |