The person weighing 181 pounds should get 862.05 mg of drugs for each dose.
Step-by-step explanation:
Weight of the person = 181 pounds
= 82.1 kg
2 Dosage = 21 mg per kg per day
1 dosage = 10.5 mg per kg
For 1 kg 10.5 mg of drugs can be taken and for 82.1 kg,
= 82.1 x 10.5
= 862.05 mg of drugs can be taken
The person weighing 181 pounds should get 862.05 mg of drugs for each dose.