document.write( "Question 957203: A man walks at 5km/h for 6 hours and 4 km/h for 12 hours, what is his average speed? \n" ); document.write( "
Algebra.Com's Answer #584859 by Fombitz(32388)\"\" \"About 
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Find the total distance he travels,
\n" ); document.write( "\"D=5%2A6%2B4%2A12=30%2B48=78\"
\n" ); document.write( "Find the total time it takes,
\n" ); document.write( "\"T=6%2B12=18\"
\n" ); document.write( "Divide to find the average speed,
\n" ); document.write( "\"S=D%2FT=78%2F18=13%2F3\"\"kph\"
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