Final answer:
The average water usage per person in the United States is approximately 100 gallons per day, which includes all typical household water-related activities.
Step-by-step explanation:
The question pertains to the average water usage per person in the United States. Looking at the data provided and considering averages from household use to personal use, a typical person in a U.S. household utilizes approximately 100 gallons per day. This encompasses various activities such as cooking, washing dishes and clothes, bathroom use, and bathing. Even though basic human survival can be supported with much less, the comfortable lifestyle in developed nations like the U.S. leads to significantly higher water consumption.