Final answer:
The term 2x in the coffee mix expression 2x + 0.5y represents the weight of Brand A coffee in the mix, indicating two pounds for every unit of x.
Step-by-step explanation:
In the coffee mix expression 2x + 0.5y, 2x represents the weight (in pounds) of Brand A coffee in the mix. This expression generally indicates that we are dealing with a mix of two different brands of coffee, Brand A and Brand B, where 'x' and 'y' likely represent the quantities of each brand respectively. The term 2x signifies two pounds of Brand A coffee for every unit 'x'.