An amusement park is installing a new roller coaster. The park intends to charge $5 per adult and $3 per child for each ride. It hopes to earn back more than the $460,000 cost of construction in four years. With the best of weather , the park can provide 150,000 adult rides and 20,000 child rides in one season. Let x be the number of adult rides in 4 years and y the number of child rides in 4 years. Which system of inequalities best represents this situation?