Yоu аre аn RT whо is beginning yоur shift аnd are assigned to the ED; the outgoing RT reports that there is a patient with inspiratory stridor due to laryngeal edema. The physician ordered Heliox therapy at a concentration of 60/40 and was set up via a NRB mask at 10 L/min. What is the actual flow rate that is being delivered to the patient by the O2 flow meter?