you are testing a lemonade recipes. each recipe calls for lemonade concentrateand water, mix 1 has 7 cups of concentrate and 2 cups of water, mis2 has 9 cups of concentrate and 4 cups of water amd mix 3 has 3 cup of concentrate and 1 cup of water. ise ration which one is more lemony and which will be the leaast

(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.