Question

Challenge  A jewelry box has the shape of a rectangular prism. Find the volume of the jewelry box. If the height is increased by 3 in.​, by how much does the volume​ increase?
7 and one half in.
9 and one fourth in.
4 and one half in.
         ​ (The figure is not to​ scale.)
Question content area bottom
Part 1
The volume of the jewelry box is
  
312.1875 in.cubed.
Part 2
The volume increases by
  
enter your response here in.cubed.

Answer 1

Part 1: 312.1875 in³ (since 7.5 × 9.25 × 4.5 = 312.1875).

Part 2: Increase = base area × 3 = 7.5 × 9.25 × 3 = 208.125 in³ (208 1/8 in³).