I will give you branilest! When you mix two colors of paint in equivalent ratios, the resulting color is always the same. Complete the table as you answer the questions.

cups of blue paint cups of yellow paint
2 10
1 5
3 15
What does the constant of proportionality represent? (choose one)
a. It represents the cups of yellow paint needed for one cup of blue paint
b. It represents the number that is needed to multpily down the table to get the next number

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.