S. Round dosage and weight to the nearest tenth as indicated. Use labels where provided. The recommended dosage of Merlin for an adult with a serious infection is 200 to 300 mg/kg/day given in four to six divided dosages. The adult weighs 175 lb. a. What is the adult's weight in kilograms? 19-3*49 e what is the 24-hour dosage range for the 175-lb adult in milligrams? 15.803 -23, noong c. What is the dosage range in grams? BOIS 6. Round dosage and weight to the nearest tenth as indicated. Use labels where provided. The recommended dosage of Ticar for an adult with a complicated urinary tract infection is 150 to 200 mg/kg/day IV in divided dosages every 4 or 6 hours. The adult weighs 194 lb. a. What is the 24-hour dosage range for the 194-Ib adult in milligrams? b. What is the dosage range in grams? c. The prescriber ordered 4 g IV q6h. Is the dosage ordered safe