thelaughingpumouop2e thelaughingpumouop2e 22-10-2017 Mathematics contestada For every 240 days of milking, cow's milk production decreases by 2. Which shows the average change in cow's production? A. -120 gallons per day B. - (1/120) gallons per day C. 1/20 gallons per day. D. 120 gallons per day.