A recipe for salad dressing calls for 3 tablespoons of oil for every 2 tablespoons of vinegar. The line represents the relationship between the amount of oil and the amount of vinegar needed to make salad dressing according to this recipe. The point ( 1, 1.5) is on the line. 
a. Label the axes appropriately with the quantities they represent. 
· b. Write an equation that represents the proportional relationship between oil and vinegar. Indicate the meaning of each variable. 
Equation:  ___________________________________________________________ ·c. Explain the meaning of the point (1, 1.5) in terms of the situation. 
Explanation: __________________________________________________________
What's B and C?? Please help.