Your patient has been prescribed a weight based oral medication at 660 mg to be administered every other day for one week. The pharmacist has prepared several 500 ml 0.9% NaCl bags that are labeled as...

1. Your patient has been prescribed a weight based oral medication at 660 mg to be administered every other day for one week. The pharmacist has prepared several 500 ml 0.9% NaCl bags that are labeled as having a 2mg/ml concentration.  The patient weighs 132 lbs. How many ml will be administered during those 7 days

 = 1320 ml

How did they come up with the answer? thank you