document.write( "Question 1153814: \"A truck driver traveled at an average speed of 56 miles per hour on a 200-mile
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document.write( "trip to pick up a load of freight. On the return trip (with the truck fully
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document.write( "loaded), the average speed was 37 miles per hour. Find the average speed for the
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document.write( "round trip.\"\r
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document.write( "That is the question, and the answer is 44.6mi/hr.
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document.write( "But I don't know how to get to that answer. \n" );
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Algebra.Com's Answer #776111 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( " SPEED TIME DISTANCE\r\n" ); document.write( "\r\n" ); document.write( "PICKUP 56 200/56 200\r\n" ); document.write( "\r\n" ); document.write( "LOADED 37 200/37 200\r\n" ); document.write( "\r\n" ); document.write( "TOTAL\r \n" ); document.write( "\n" ); document.write( "The average speed for the whole ROUND-TRIP is \n" ); document.write( "Simplify and compute that. \n" ); document.write( " |