document.write( "Question 115129: A freight train starts out at 0 miles per hour. After 15 miles the train is traveling 90 miles per hour. What interger represents the average increase in speed per mile? \n" ); document.write( "
Algebra.Com's Answer #83764 by edjones(8007) You can put this solution on YOUR website! 90/15=6 mph \n" ); document.write( " |