Answer:
488 ft^3
Step-by-step explanation:
break into a big rectangle, small rectangle, and triangle to find their volumes
volume of big rectangle: 9x12x4= 432 ft^3
volume of small rectangle: 4x1.5x2= 12 ft^3
volume of triangle: find area 1/2(2x11)=11
multiply by debth 11x4=44 ft^3
add them up
