SOLUTION: A city is paving a bike path. The same length of path is paved each day. After 6 days, 15 miles of path remain to be paved. After 9 more days, 12 miles of path remain to be paved.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A city is paving a bike path. The same length of path is paved each day. After 6 days, 15 miles of path remain to be paved. After 9 more days, 12 miles of path remain to be paved.       Log On


   

Question 1169786: A city is paving a bike path. The same length of path is paved each day. After 6 days, 15 miles of path remain to be paved. After 9 more days, 12 miles of path remain to be paved. Find the average rate of change.
Answer by ikleyn(52908) About Me  (Show Source):
You can put this solution on YOUR website!
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    the average rate of change = %2815-12%29%2F9 = 3%2F9 = 1%2F3  of a mile per day.    ANSWER

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