A train needs 4 hours to go from the first station to the second. If the third station is 120 miles and the total travel time must be no more than 7 hours, write inequality that would let you find the slowest average speed, v, the train could have.

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.