Each week marissa withdraws the same amount from her bank account the equation
a=1550-90w represent the relationship between the amount of money remaining in her account ,a, in dollars , and the number of weeks of withdraws ,w.
for how many weeks has marissa made withdraws when the amount remaining in the
account is $110? ?
a)14
b)16
c)17
d)18

(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.