Final answer:
The U.S. Strategic Petroleum Reserve would last for 100 days if oil is withdrawn at the 2011 rate of U.S. production, which is 7.841 million barrels per day.
Step-by-step explanation:
The question involves finding out for how many days the United States' Strategic Petroleum Reserve would last if oil is withdrawn at the 2011 rate of U.S. production. To calculate this, you need to divide the total capacity of the reserve by the daily withdrawal rate. The Strategic Petroleum Reserve has a capacity to hold 784.1 million barrels of oil. If oil is withdrawn at a rate of 7.841 million barrels per day (converting thousands to millions), you can determine the duration of the supply.
Calculation:Supply Duration (days) = Total Capacity (barrels) / Daily Withdrawal Rate (barrels/day)
Supply Duration = 784.1 million barrels / 7.841 million barrels/day
Supply Duration = 100 days
Thus, the Strategic Petroleum Reserve would last for 100 days if oil continues to be withdrawn at the 2011 rate of U.S. production.