During the month of February 2011, the average price of gasoline rose 4.7% in the United
Chapter 1, Problem 41(choose chapter or problem)
During the month of February 2011, the average price of gasoline rose 4.7% in the United States. If the average price of gasoline at the end of February 2011 was $3.21 per gallon, what was the price of gasoline at the beginning of February?
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