document.write( "Question 138275This question is from textbook Blitzer College Algebra
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document.write( ": In a 1-mile race, the winner crosses the finish line 12 ft ahead of the second-place runner and 22 ft ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 ft in a mile) \n" );
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Algebra.Com's Answer #101015 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! In a 1-mile race, the winner crosses the finish line 12 ft ahead of the second-place runner and 22 ft ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 ft in a mile) \n" ); document.write( ": \n" ); document.write( "How far did the the 2nd and 3rd place runners travel when the winner crossed the the finish line (5280 ft)? \n" ); document.write( ": \n" ); document.write( "5280 - 12 = 5268 ft, traveled by the 2nd place runner \n" ); document.write( "5280 - 22 = 5258 ft, traveled by the 3rd place runner \n" ); document.write( ": \n" ); document.write( "Use a ratio equation \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Cross multiply: \n" ); document.write( "5268x = 5280 * 5258 \n" ); document.write( "x = \n" ); document.write( "x = 5269.977 traveled by the 3rd place runner when the 2nd place runner crosses the finish line \n" ); document.write( ": \n" ); document.write( "5280 - 5269.977 = 10.023 ft is the distance the 2nd place runner beats the 3rd place runner \n" ); document.write( ": \n" ); document.write( "This makes sense because they were 10 ft apart when the winner crossed the line \n" ); document.write( "3rd place runner is a little over 10 ft behind the 2nd place guy, when he crosses the finish line because, he is slightly slower \n" ); document.write( " \n" ); document.write( " |