document.write( "Question 999174: Help please!\r
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document.write( "Greg and Gary enter a bike race. Greg travels at 16 miles per hour, and Gary travels at 12 miles per hour. Greg finishes the race 2 hours ahead of Gary. How many miles did Greg travel in the race? \n" );
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Algebra.Com's Answer #616869 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Greg and Gary enter a bike race. \n" ); document.write( " Greg travels at 16 miles per hour, and Gary travels at 12 miles per hour. \n" ); document.write( " Greg finishes the race 2 hours ahead of Gary. \n" ); document.write( " How many miles did Greg travel in the race? \n" ); document.write( ": \n" ); document.write( "let d = distance traveled by Greg, also the length of the race \n" ); document.write( ": \n" ); document.write( "We can say that Greg ran the race in 2 hrs less time that Gary \n" ); document.write( "Write a time equation; time = dist/speed \n" ); document.write( "Gary's time - Greg's time = 2 hrs \n" ); document.write( " \n" ); document.write( "Multiply the equation by the least common multiple; 48. Cancel the denominators \n" ); document.write( "4d - 3d = 48(2) \n" ); document.write( "d = 96 mi traveled by Greg \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Confirm this solution; find the actual time of each \n" ); document.write( "96/12 = 8 hrs \n" ); document.write( "96/16 = 6 hrs \n" ); document.write( "-------------- \n" ); document.write( "differ: 2 hrs \n" ); document.write( " |