document.write( "Question 905944: Gracies average driving speed is 14 kilometors per hour faster than Kirks. in the same length of time it takes Gracie to drive 320 kilometors, Kirk drives only 264 kilometors, what is Gracies average speed? \n" ); document.write( "
Algebra.Com's Answer #549535 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! r the Kirk's speed \n" ); document.write( " \n" ); document.write( "320r = 264r + 14*264 \n" ); document.write( "r = 14*264/56 = 66mph, Kirk's speed. Grace traveling at 80mph \n" ); document.write( "And ...checking \n" ); document.write( " 4hr = 4hr \n" ); document.write( " |