variable costs

Pick the correct variable expression for the given statement. "Cost of 4 belts and 3 ties is $163." => 4 b = $163 or 4 b - 3 t = $163 or 3 t = $163 or 4 b + 3 t = $163..

The cost of a taxi ride from Edd′s home to his office is a function of the number of miles between his home and office. Which of the following is the independent variable? => The driving time to the office or The cost of the taxi ride or The distance between Edd&..

Write a variable expression for the situation. Difference of cost of u shirts at $18 each and cost of v trousers at $30 each is greater than $60. => 18 u + 30 v > 60 or 18 u - 30 v > 60 or 18 u - 30 v < 60 or 18 u + 30 v < 60..

One pound of steak costs $7.65. The total cost of p pounds is C . Which of the equations best relates the variables? => C p = 7.65 or C = 7.65 p or C = 7.65 × p or C = p 7.65..

The total cost of apples that Jack purchased is a function of number of apples. Which of the statements is true? => The total cost of apples is the independent variable. or There is no relation between the number of apples and the total cost. or Insufficient ..

Objective Function - The Objective Function is a linear function of variables which is to be optimised i.e., maximised or minimised. e.g., profit function, cost function etc. The objective function may be expressed as a linear expressio..

Mathematical Formulation of Linear Programming Problems - There are mainly four steps in the mathematical formulation of linear programming problem as a mathematical model. We will discuss formulation of those problems which involve only two variables. Identify the decision variables..

The graphical method is applicable to solve the LPP involving two decision variables x 1 , and x 2 , we usually take these decision variables as x, y instead of x 1 , x 2 . To solve an LPP , the graphical method includes two major steps. a) The determination of the s..

After having studied functions, limits and continuity in the previous chapter, we shall further divide the class of continuous functions into two sub classes, derivable and non-derivable.After having studied functions, limits and continuity in the previous chapter, we shall further divide the class..

A decorative item dealer deals in only two items - wall hangings and artificial plants. He has 15,000 dollars to invest and a space to store all the most 80 pieces. A wall hanging costs him 300 dollars and an artificial plant 300 dollars. He can sell a wall hanging at a profit of 50 doll..