Don/other experts,

If optimal 1-hand bet size at certain count is B, under same count, what is the optimum bet size of each hand in order to maximizing bankroll growth if spread to :-

1) 2 hands - each hand bet = ?
2) 3 hands - each hand bet = 2B/3 =0.67B. Please give your advice if it is incorrect.
3) 4 hands - each hand bet = ?
4) 5 hands - each hand bet = ?
5) 6 hands - each hand bet = ?

Thanks in advance.

James