artemiscrock3647 artemiscrock3647 22-08-2020 Mathematics contestada A man buys 4 cows and 9 goats for $50, 150. If he had purchased 9 cows and 4 goats, instead, then he would have to pay $40,750 more. What is the cost of one cow? A. $9,500 B. $11,500 C. $12,000 D. $13,500 E. $1,350