Jaylen used the seat number for each of the 6,500 fans' seats in the stands
at a college football game and put the numbers in a computer program. He
randomly chose 200 numbers and found that 36 of those people had also
purchased a parking voucher. Estimate the number of fans in the stands at a
sold-out football game that purchased a parking voucher. Explain.

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.