Solve a multi-step Problem 6. From 1990 to 2001, the number of airports in the United States increased at a
relatively constant rate of 175 airports per year. There were 19,306 airports in the
United States in 2001.

a. How many U. S. airports were there in 1990?

b. Write an equation that gives the number of U. S. airports as a function of the number
of years since 1990.

c. Find the year in which the number of U. S. airports reached 19,500.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.