Suppose the temperature in your town is 21°F and rising 1.5°F every
hour. Your friend lives far away, and the temperature in his town is
28°F and falling 2°F every hour. In how many hours will the
temperatures be equal?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new 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 size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.