two tablets of flagyl triturated and placed in v.

two tablets of flagyl triturated and placed in v.f 250 ml and completed up to 250ml , filtrate done , 5 ml of filtrate diluted to 100 ml by hcl , then 3 ml from previous son diluted to 25 ml and measured on uv the A was 0.451

calculate the amount of flagyl in each tab ?

A1% 377