The fuel tanks for airplanes are in the wings, cross section below. The tank must hold 6000 lb of fuel with density 42 Ib/fts. Estimate the length of the tank using Simpson's Rule. yo )'2 y4 5 Horizontal spacing = 1.8 ft yo = 1.3 ft, y1 = 1.5 ft, y2 = 1.8 ft, y3 = 2 ft, y4 = 2.2 ft, y5 = 2.3 ft, yo = 2.1 ft The length of the tank is ft. (Round to the nearest tenth as needed.)