A credit of $35 and a debit of $40 are applied to your bank account. A) What is an appropriate scale to graph a credit of $35 and a debit of $40? Explain your reasoning. B)What integer represents “a credit of $35” if zero represents the original balance? Explain. C) What integer describes “a debit of $40” if zero represents the original balance? Explain. D) Based on your scale, describe the location of both integers on the number line. E) What does zero represent in this situation? *

(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.