500
To calculate football ratings the NFL uses : R = (250C +12.5Y+1000T-1250I +6.25A ) / 3A. Where R= rating, A= attempted passes, C= completed passes, y = passing yardage, t= touchdown passes, I = interceptions.
Brett Favre: A=607, C=372, Y= 3881, T= 20, I= 29 Find his rating.
70.9