document.write( "Question 1197471: A car covered a certain distance at a speed of 24 mph. While returning, the car covered the same distance at a speed of 16 mph. What was the average speed of the car for the entire journey? \n" ); document.write( "

Algebra.Com's Answer #830750 by josgarithmetic(39623) $\"\"$ $\"About$

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\n" ); document.write( "A car covered a certain distance at a speed of
\n" ); document.write( "24 mph. While returning, the car covered the same distance at a speed of 16 mph. What was the average speed of the car for the entire journey?
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\n" ); document.write( "A car covered a certain distance d at a speed of
\n" ); document.write( "H mph. While returning, the car covered the same distance at a speed of L mph. What was the average speed of the car for the entire journey?
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document.write( "                 SPEED     TIME           DISTANCE\r\n" );
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document.write( "GOING              H        d/H              d\r\n" );
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document.write( "RETURNING          L        d/L              d\r\n" );
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document.write( "TOTALS                   d/H+d/L            2d\r\n" );
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\n" ); document.write( "Average speed for whole round trip,
\n" ); document.write( " $\"2%2F%281%2FH%2B1%2FL%29\"$ -----simplify this. Substitute your given values and compute.\r
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\n" ); document.write( "\n" ); document.write( "19.2 mph \n" ); document.write( "

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