Kim order a sandwich and had it cut into equal pieces she and 3 friends ate the same number of pieces 1/4 of the sandwich was not eaten .for dinner that night, she ate 3 pieces, which were 1/3 of the leftovers. how many pieces were there originally?

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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.

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.