A plane has a seating capacity of 160 passengers, 40 in first class and the rest in economy class. The average first-class ticket costs $1,200, and the average ticket in economy class is $400. The price of each first-class ticket used to be $1,500. What percent decrease does the current price represent?

The GED Mathematical Reasoning test measures your algebraic and quantitative problem-solving skills and requires you to demonstrate an understanding of mathematical concepts, the skill to use those concepts, and the ability to apply knowledge in real-world scenarios.