**Answer:**

**The total volume of the space inside the steps is 2880 cubic inches.**

**Step-by-step explanation:**

**Given : **A theater wants to build movable steps that they can use to go on and off the stage. The dimensions are 12 in, 16 in, 20 in, 6 in, and 8 in. They want the steps to have enough space inside so they can also be used to store props.

**To find :** How much space is inside the steps?

**Solution : **

**According to question,**

The image form of store props is a prism split into two rectangular prism.

**Refer the attached figure below.**

**The bottom portion **of the steps having dimension

**The volume of the bottom portion is **

The top part have a width of 8 inches as entire width of bottom is 16 inches.

Length is 20 inches.

Height of the steps is 6 inches as total height is 12 inches.

**The volume of the top part is **

**So, the total volume of the space inside the steps is **

1920+960 = 2880 cubic inches.

**Therefore, The total volume of the space inside the steps is 2880 cubic inches.**