document.write( "Question 384928: You walk fro your home to the post office at an average rate of 3 mph. You then walk back at an average rate of 5 mph. What is the average rate for your entire trip? \n" ); document.write( "

Algebra.Com's Answer #272431 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,         
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document.write( "Note:  Distance traveled at each speed is the same.
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document.write( "Average speed for the entire trip:  (3mph + 5mph) / 2 = 4mph \n" );
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