document.write( "Question 454491: Distance and Time. A bicyclist rides uphill at 10
\n" ); document.write( "miles per hour for 5 miles and then rides downhill at
\n" ); document.write( "20 miles per hour for 5 miles. What is the bicyclist’s
\n" ); document.write( "average speed? (Hint: Average speed equals distance
\n" ); document.write( "divided by time.)
\n" ); document.write( "

Algebra.Com's Answer #314923 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
5 miles @ 10 mph=1/2 hr.
\n" ); document.write( "5 miles @ 20 mph=1/4 hr.
\n" ); document.write( "10 miles/3/4 hr= 13.333 mph..
\n" ); document.write( "
\n" );