Algebra.Com's Answer #760748 by ikleyn(52931)![\"\"](\"/images/stars/stars-13.gif\")  
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document.write( "1. \"You travel the first 48 miles of a journey at an average of 36 mph\".\r\n" );
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document.write( " It means that you spent  =   hours =  hours = 1 hour and 20 minutes for this part of the journey.\r\n" );
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document.write( "2. \"you want to average 45 mph over the 96 mile journey\".\r\n" );
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document.write( " It means that you spend  =   hours =  hours =  hours = 2 hours and 8 minutes for the entire journey of 96 miles.\r\n" );
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document.write( "3. So, you have 2 hours 8 minutes - 1 hour 20 minutes = 128 minutes - 80 minutes = 48 minutes for the second part of 48 miles long.\r\n" );
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document.write( "4. Thus your speed on the seconf leg of 48 miles should be  = 1 miles per minute or 60 miles per hour. ANSWER\r\n" );
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document.write( "Solved.\r
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document.write( "You do not need use complicated formula.\r
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document.write( "You do not need use equations, at all.\r
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document.write( "To solve the problem, all you need is to apply your common sense.\r
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