The solid figure is separated along the dotted line into two rectangular prisms.

What are the volumes of the two rectangular prisms?
What is the volume of the solid figure?
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A solid is made up of 2 rectangular prisms. The total length of the solid is 20 inches. First rectangular prisms has a height of 5 inches, and width of 4 inches. Second rectangular prisms has length as 4 inches, height of 8 inches, and width of 4 inches.

The volume of two rectangular prisms are
160,200,320,400
cubic inches and 128 cubic inches. The volume of the solid figure is
440,800,1,040,1,200
cubic inches.

The volume of the first rectangular prism is 80 cubic inches (5 x 4 x 4) and the volume of the second rectangular prism is 32 cubic inches (4 x 8 x 4). Therefore, the total volume of the solid figure is 112 cubic inches (80 + 32).