A coffee blend is made by mixing Colombian beans that cost $6 per pound and Brazilian beans that cost $9 per pound. If a total of $150 worth of coffee blend is made using pounds of Colombian beans and pounds of Brazilian beans, the situation can be modeled by the equation . What does the coefficient represent in this equation?
The total weight of Brazilian beans used, in pounds
The cost of one pound of Colombian beans, in dollars
The total cost of Colombian beans used, in dollars
The cost of one pound of Brazilian beans, in dollars