document.write( "Question 938138: You drive 100 miles. Over the first 50 miles you drive 50 mph, and over the second 50 miles you drive V mph.\r
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document.write( "Calculuate the time spent on the first 50 miles and on the second 50 miles.
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document.write( "Calculate the average speed for the entire 100 mile journey.
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document.write( "If you want to average 75 mph for the entire journey, what is V? \n" );
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Algebra.Com's Answer #571474 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! You drive 100 miles. Over the first 50 miles you drive 50 mph, and over the second 50 miles you drive V mph. \n" ); document.write( "......\r \n" ); document.write( "\n" ); document.write( " Calculuate the time spent on the first 50 miles and on the second 50 miles. \n" ); document.write( "t = \n" ); document.write( "....... \n" ); document.write( " Calculate the average speed for the entire 100 mile journey. \n" ); document.write( " \n" ); document.write( ".... \n" ); document.write( " If you want to average 75 mph for the entire journey, what is V? \n" ); document.write( " \n" ); document.write( "75(1 + 50/V = 100 \n" ); document.write( "1 + 50/V = 1 1/3 \n" ); document.write( " \n" ); document.write( "150mph = V \n" ); document.write( "...\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |