John walks into a bagel shop and buys 3 cups of coffee and 6 bagels for $9.00. The next day, he goes back and buys 4 cups of coffee and 3 bagels for $8.25. How much do 1 cup of coffee and 1 bagel cost at this store?

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

How can you tell when x and y are not directly proportional?

(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.