A prоvider writes аn оrder fоr IV аminophylline 250mg in 250mL of 0.9% NS to be аdministered at `x` mL/hr for an 18-year-old patient admitted to the ICU for severe asthma exacerbation. The patient weighs `w` lbs. Calculate the mg/kg/hour the patient is receiving. Enter numeric value only. Round to the nearest tenths place.