Length of a rectangular prism volume is 2,830.5, width 18.5, height 9

Multiply 18.5 and 9 to get 166.5. Then divide 2,830.5 by 166.5 to get 17. Your answer is 17

Well, you get the volume by multiplying the height, the width, and the length. So just work on it backwards.

2,830.5 divided by (9 times 18.5).

9 times 18.5 is 166.5. So that leaves us with 2,830.5 divided by 166.5, which is 17.

So, the answer is 17.