Bess and gina earn $45 per week for delivering flowers. bess worked for x weeks and earned an additional total bonus of $20. gina worked for y weeks. which expression shows the total money, in dollars, that bess and gina earned for delivering flowers? 45x + 20 + 45y 65x + 45y 45x − 20 + 45y 45x + 65y

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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.