To calculate the amount of water Adam uses for a daily 10-minute shower, we need to know the average flow rate of a showerhead.
The flow rate can vary, but a commonly used figure is about 2.1 gallons per minute (gpm) for a typical showerhead.
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Daily Water Usage: \[ \text{Daily Water Usage} = \text{Shower Duration (minutes)} \times \text{Flow Rate (gpm)} \] \[ \text{Daily Water Usage} = 10 \text{ minutes} \times 2.1 \text{ gpm} = 21 \text{ gallons} \]
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Annual Water Usage: \[ \text{Annual Water Usage} = \text{Daily Water Usage} \times \text{Number of Days in a Year} \] \[ \text{Annual Water Usage} = 21 \text{ gallons} \times 365 \text{ days} = 7,665 \text{ gallons} \]
So, if Adam showers for 10 minutes every day, he uses approximately 7,665 gallons of water per year.