SOLUTION: 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?

SOLUTION: 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?

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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?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
90/15=6 mph
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