Two siblings are competing to find out which of the ice cream truck stops are closer to their house. Cindy heads due south from their house and walks 12 mile, then turns 50º towards the west and walks 14 mile to the ice cream truck stop she believes is closer. Bob heads due west from their house and walks 12 mile, then turns 80º towards the south and walks 14 mile to the other ice cream truck stop which he believes is closer. Who is closer to their house?

(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.