What is the relation between linking number (Lk), writing number (Wr) and twist number (Tw)?

Lk = Tw ‚Äö√Ñ√∂‚àö√ë‚àö¬® Wr

Lk = Wr ‚Äö√Ñ√∂‚àö√ë‚àö¬® Tw

Tw = Lk ‚Äö√Ñ√∂‚àö√ë‚àö¬® Wr

What is the relation between linking number (Lk), writing number (Wr)

1.	What is the relation between linking number (Lk), writing number (Wr) and twist number (Tw)?
A.	Lk = Tw ‚Äö√Ñ√∂‚àö√ë‚àö¬® Wr
B.	Lk = Wr ‚Äö√Ñ√∂‚àö√ë‚àö¬® Tw
C.	Tw = Lk ‚Äö√Ñ√∂‚àö√ë‚àö¬® Wr
D.	Tw = Lk + Wr
Answer» D. Tw = Lk + Wr