Each fall, a horse ranch gives wagon rides. Tickets for adults are $10 each, and tickets for children are $6 each. No more than 25 people can fit on the wagon, and the ranch owners have a goal of earning a minimum of $200 on each ride. The system of inequalities that represents this situation is graphed below, where x represents the number of adults and y represents the number of children on the wagon ride. Which solution is valid within the context of the situation?