A calibrated burette will be used to deliver an intravenous medication dosage order of 200 mg contained in 5 mL. This volume is to be diluted in 40 mL and infused over 30 min. A 15-mL flush is to follow the infusion. At what rate in milliliters per hour will the infusion need to run to deliver the ordered dose? Record your answer as a whole number. ____ml/hr