To fill a swimming pool deliveries of water by tanker truck are to be arranged. The pool to be filled is 1 m deep at the shallow end and 2 m deep at the deep end (tapered bottom). The width of the pool is 4.5 m and the length is 10 m. The tanker truck is capable of delivering 1200 gal each trip (there are 7.48 gallons in one cubic foot and 3.2808 feet in a meter) How many deliveries should be arranged?