A 10-year-old female weighing 80 lbs presents with a urinary tract infection

A 10-year-old female weighing 80 lbs presents with a urinary tract infection and will be treated with sulfamethoxazole/trimethoprim
(Bactrim®). Dosing for this medication is typically based on the trimethoprim component. Suspension is available as 200 mg of
sulfamethoxazole and 40 mg of trimethoprim in every 5 mL. Dosing for this indication is trimethoprim 8 mg/kg/day divided every 12 hours.
How many milliliters of sulfamethoxazole would be given with each dose? Round your answer to the nearest 0.5 mL.