() : ( shopping! we can use unit price for a variety of products you buy everyday. suppose we are buying soda but we have different options on how much we can pay. let figure out the unit rate for the following options. options: a) 12-12oz cans of soda for $4.39 unit price per ounce: [unitrate1]/oz b) 6-16oz bottles of soda for $2.99 unit price per ounce: [unitrate2]/oz c) 1-20oz bottle of soda for $1.50 unit price per ounce: [unitrate3]/oz which option is the best price per ounce? [unitrate4]

(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.