document.write( "Question 236769: ok here's the question if you can get back to me asap much appreciated\r
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document.write( "an athlete jogged for 20 minutes at a constant speed. Then she got on a bike and rode for 7 minutes in the opposite direction at twice her running speed. The athlete then reversed directions again and walked for 3 minutes at 40% of her initial running speed. After 30 minutes, the athlete found herself 3456 feet from her starting point. Find the athlete's three speeds. \n" );
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Algebra.Com's Answer #174180 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 20(x) - 7(2x) + 3(.4x) = 3456\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7.2x = 3456\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 480 ft/min ___ about 5.5 mph\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x = 960 ft/min\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ".4x = 192 ft/min \n" ); document.write( " |