<h3>Volume of the rectangular pyramid:</h3>
<h3>Volume of the rectangular prism:</h3>
<h3>Total volume:</h3>
I saw this question on Khan Acendamy go there and it will help uu!
I tried every combination. there seems to be something wrong with the informations you gave.
the second equation contains errors, and none of these 4 points can be solutions to the first equation alone