Troy was trying to catch up with the rest of his group, who had left earlier on a kayaking trip. troy paddled 8 hours downstream, covering 72 miles before realizing that he had passed his group’s campground. he had to paddle back upstream for 18 miles to get back to his group’s campground. if the trip back upstream took troy 6 hours, how fast was the river flowing (in mph)?

The function c(n) below relates the number of bushels of apples picked at a pick-your-own orchard to the final cost for the apples. it takes as input the number of bushels of apples picked after paying an entry fee to an orchard and returns as output and returns as output the cost of the apples (in dollars)c(n) = 15n + 30which equation below represents the inverse function n(c), which takes the cost of the apples as input and returns the number of bushels picked as output