Dean stadler has 20 days in which to plant corn and soybeans. the corn can be planted at a rate of 250 acres per day and the soybeans at a rate of 200 acres per day. he has 4500 acres available for planting these two crops. let c represent the number of acres of corn and let s represent the number of acres of soybeans. which inequality below is not part of the system of inequalities that represents the possible ways mr. stadler can plant the available acres?