Respuesta :

225 cm^3

15•3•3 = 135

10•3•3 = 90
You have to find the volume of both rectangles and add them together.

So, 3 x 3 x 10 = 90.

And, 3 x 3 x 15 = 135.

135 + 90 = 225. 

The volume of the rectangular prisms is 225 cm cubed.