According to the key of a particular park map, every 8 inches on a map represent 3 miles of trail in the park. How many inches on the map represent 9 miles on the park trails? (must be in ratio form)

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Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.