A volume of 250 mL of packed red blood cells are started at a rate of 125mL/hr. Calculate the infusion time in hours ; enter only the numeric portion of your final answer. For greatest accuracy,...

A volume of 250 mL of packed red blood cells are started at a rate of 125mL/hr. Calculate the infusion time in hours ; enter only the numeric portion of your final answer. For greatest accuracy, perform any needed rounding at the end of the calculation.