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 $750,000 cost of construction in four years. with the best of weather, the park can provide 100000 adult rides and 75,000 child rides in one season. let it be the number of adult rides in four years and y the number of child rides in 4 years. which system of inequalities best represents the situation?