The data suggest a linear relationship between the number of hours spent cleaning and the
number of apartments cleaned. Assuming the
relationship is linear, what does the rate of
change represent in the context of this
relationship?
(В
The number of apartments cleaned after one
hour.
The number of hours it took to clean one
apartment.
The number of apartments cleaned each
hour.
The number of apartments cleaned before
the company started cleaning,
D

(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.