(b) carlos wants to try out a different bird food. he sees that a bag of keet supreme contains 20 servings of food and a bag of veggie blend contains 18 servings of food. a serving is 3/4 cup of food. carlos has a bin that holds exactly 14 cups of food. carlos will buy the bag of food that contains the most food and that he can empty completely into his bin. which bag should carlos buy? show your work.

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.