A store sells two types of nuts: almonds and cashews. Almonds cost $6 per pound and cashews cost $9 per pound. The total revenue from selling pounds of almonds and pounds of cashews is represented by the equation . What is the best interpretation of in this context?
If 45 pounds of almonds were sold, then the total revenue was .
If 45 pounds of cashews were sold, then 30 pounds of almonds were sold.
If 45 pounds of almonds were sold, then 30 pounds of cashews were sold.
The store sold a total of 45 pounds of nuts for .
