A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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The national average price for a gallon of regular unleaded gasoline was $4.11 in July 2008and is currently $2.60. What was the absolute change in the price per gallon, and by whatpercentage did the price per gallon decrease?
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