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a semi-trailer is being packed with boxes that are 1 and a half feet on each edge. the cargo space of the trailer is 28 feet long, 8 and a half feet wide, and 9 and sixth feet high. what is the maximum number of boxes that will fit inside the trailer?

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.