George is forming urine at a rate of 1.3 ml/min. His urine i…

George is forming urine at a rate of 1.3 ml/min. His urine inulin concentration is 9.5 mg/ml, his urine PAH concentration in 6.0 mg/ml, and his urine Substance Q concentration is 3.6 mg/ml. His plasma inulin concentration is 0.15 mg/ml, his plasma PAH concentration is 0.02 mg/ml, and his plasma Substance Q concentration is 0.8 mg/ml. What is George’s filtration fraction?