Problema Solution
In August 2008, gas was selling for $4.07 a gallon. The price of a gallon of regular unleaded dropped to $3.52 on September 11, 2008. What was the percent decrease?
Answer provided by our tutors
(4.07 - 3.52)/4.07 = 0.1351 or 13.51%
The percent decrease is 13.51%.