Ultimate fashion is opening their newest store at millennium mall. they have a digital clock on the door counting down the number of hours until the grand opening. the clock currently shows 1,947 hours. becky is excited about the opening and is wanting to know how long she has to wait, in terms of days and hours, for the store to open. so, she divided 1,947 hours by 24 hours.
to make sure that she did the division correctly, becky checked her work by verifying that
× 24 + =1,947

(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.