The experimental probability of getting a 6 on a number cube is StartFraction 7 over 40 EndFraction. Which is true about the event’s experimental probability?
The number 6 came up a total of 40 times.
The number 6 came up 7 times out of a total of 40 trials.
The number cube was rolled a total of 47 times.
After 7 trials, the number 6 came up 40 times.

(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.