6mg per Kg
115 lb = 52.16kg
if 6 mg per 1 kg, to find for 52.16 kg, you multiply by 52.16 = 312.9mg
SO for 115 lb person = 312.9 mg
B makes the most sense to me so I would go with that
Identify the two main classes of vitamins and which vitamins fall into each class. Water-soluble vitamins: cannot be stored by the body.- found in fruits, veggies, and other sources. (dissolve in water); vitamins B1,B2,B3,B6,B12, Panthothenic Acid, Folate, Biotin, and C.^-^
Hoped I Have Helped Honey Have A Nice Day "Peace"
Explanation/Answer: If you begin to be safe at home you can learn to be safe in other places