Not sure about "simplified", but I would hazard a guess and go for d3.
The Teichholz formula is: Volume = 7D3/(2.4+D) (D3 is DxDxD, or D-cubed).
7/30 cannot be simplified.7/30 cannot be simplified.7/30 cannot be simplified.7/30 cannot be simplified.
It can not be simplified further.
It is simplified.
0.023 cannot be simplified.
700 is already simplified
8 already is simplified.
No it can not be simplified
What is 2.75 simplified
78 simplified is 78.
can not be simplified
it is already simplified