Answer:
Step-by-step explanation:
Let c represent the cost of one chocolate chip cookie that she wants to buy.
Let p represent the cost of one peanut butter cookie that she wants to buy.
Let r represent the cost of one oatmeal raisin cookie that she wants to buy.
She plans to buy 10 chocolate chip cookies, 12 peanut butter cookies, and 8 oatmeal raisin cookies. Therefore, the algebraic expression used to represent the total cost in dollars of these cookies Carly will buy is
10c + 12p + 8r
