Children's tickets to the zoo cost $9 each, and adult tickets cost $16 each. On Monday, the zoo sold a total of 95 tickets and made $1,380 on ticket sales. Which of the following systems of equations could be used to find out how many of each ticket type was sold? Let a equal the number of adult tickets, and let c equal the number of child tickets.

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.