A store sells apples and oranges. The equation relates the number of pounds of apples () sold and the number of pounds of oranges () sold on a particular day, where the total weight of the two fruits sold is 25 pounds. What does the number 25 represent in the equation?
The number of pounds of apples sold
The number of pounds of oranges sold
The total number of pounds of apples and oranges sold
The ratio of apples sold to oranges sold
