document.write( "Question 884865: A cross country skier reaches the 13-km mark of a race 40 min after reaching the 3-km mark. Find the speed (average rate of change) of the skier. \n" ); document.write( "
Algebra.Com's Answer #534720 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! The difference between 13km and the 3km mark is 10km. \n" ); document.write( "He travels 10km in 40 minutes. \n" ); document.write( "That's 1 km per 4 minutes. \n" ); document.write( "60 minutes in an hour. \n" ); document.write( "60 * |