document.write( "Question 1023982: A truck driver traveled at an average speed of 64 miles per hour on a 200-mile trip to pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 35 miles per hour. Find the average speed for the round trip. \n" ); document.write( "

Algebra.Com's Answer #639480 by josgarithmetic(39620) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "               rate          time            distance\r\n" );
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document.write( "GOING          64                              200\r\n" );
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document.write( "RETURN         35                              200\r\n" );
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document.write( "Totals                                         400\r\n" );
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\n" ); document.write( "\n" ); document.write( "RT=D relates rate, time, and distance. You need to fill-in the time cells in the table.\r
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document.write( "               rate          time            distance\r\n" );
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document.write( "GOING          64            200/64            200\r\n" );
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document.write( "RETURN         35           200/35             200\r\n" );
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document.write( "Totals                             400\r\n" );
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\n" ); document.write( "\n" ); document.write( "The average round-trip rate, before any simplifications, is $\"400%2F%28200%2F64%2B200%2F35%29\"$ ;
\n" ); document.write( "and you will want to simplify this. \n" ); document.write( "

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