A rewritable CD-ROM drive for a computer costs $250. An individual CD for the drive costs $5.00 and can store 640 megabytes of information. The total cost of filling & CDs with information is C = 250 + 50 dollars.5x + 250The average cost per megabyte of information is given by A Compare the total cost and average 640.2 cost per megabyte of storage by completing the following table. Round all answers to the nearest tenth of a cent.

(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.