Afarmer fills his field proportionately with soybeans and corn. last year he planted 200 acres of corn and 50 acres of soybeans. answer these questions in the textbox or upload your work. a) are the number of acres of corn and the number of acres of soybeans directly proportional or inversely proportional? explain your answer. b) what is the constant of proportionality? tell how you found it. c) let x equal the number of acres of corn and y equal the number of acres of soybeans. write an equation to show this relationship. d) how many acres of soybeans can the farmer plant this year if he plants 250 acres of corn? show your work.