A district sends, on average, a total of 205 million gallons of water each month to its 20,000 residential customers.
In the winter months, it sends an average of 100 million gallons per month.
Assuming the winter period lasts three months, what is the average number of gallons sent to each person in each nonwinter month?
24,000 gallons6,000 gallons12,000 gallons3,000 gallons