document.write( "Question 1073081: Peter cycled to town at a speed of 20km/hr. he left his bicycle at the repair shop and ran back home at a speed of 10km/hr. what was his average speed for the whole trip? \n" ); document.write( "
Algebra.Com's Answer #687898 by josgarithmetic(39618)\"\" \"About 
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document.write( "          SPEED     TIME       DISTANCE\r\n" );
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document.write( "CYCLE       20       d/20         d\r\n" );
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document.write( "RAN         10       d/10         d\r\n" );
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document.write( "TOTAL              d(1/20+1/10)   2d \r\n" );
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\n" ); document.write( "\n" ); document.write( "Average speed for round trip:
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\n" ); document.write( "\n" ); document.write( "\"2%2F%281%2F20%2B1%2F10%29\"-------simplify and compute this. \n" ); document.write( "
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