POSSIBLE POINTS 3.33 Mrs. Huang found the mean and mean absolute deviation (MAD) of the latest test scores for two of her classes. Class A had a mean of 735 and Class B
had a mean of 824 Both classes had a MAD about 4. What it the difference of the means as a multiple of the MAD? Round your answer to two decimal
places
2
The difference of the means is about
times the MAD

(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.