document.write( "Question 992145: Sherwin walked 20 km and returned immediately by bicycle which traveled at the rate of 30 km/hr. The entire trip required 6 hrs. What was his average rate of walking ? \n" ); document.write( "
Algebra.Com's Answer #611797 by josmiceli(19441)\"\" \"About 
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Average rate is [ total distance ] / [ total time ]
\n" ); document.write( "Average rate = \"+40+%2F+6+\" km/hr
\n" ); document.write( "\"+20%2F3+=+6.667+\" km/hr
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