document.write( "Question 28980: hey this problem made my brain literally bust please help I need a quick response\r
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document.write( " It takes a plane 30 minutes longer to fly from Boston to Los Angeles at 525 mph then it does to return at 600mph. How far are the cities? How long does it take to go? Return?\r
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Algebra.Com's Answer #15827 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! LA to Boston Data: \n" ); document.write( "rate=600mph; Let time=x hrs \n" ); document.write( "Then \n" ); document.write( "Boston to LA Data: \n" ); document.write( "rate =525mph; time= x+1/2 \n" ); document.write( "EQuATION: \n" ); document.write( "distance = distance \n" ); document.write( "and distance =(rate)(time) \n" ); document.write( "600x=525(x+1/2) \n" ); document.write( "600x=525x+525/2 \n" ); document.write( "75x=525/2 \n" ); document.write( "x=7/2 hrs \n" ); document.write( "Distance = 600(7/2)-2100 miles \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |