Math Celebrity Home  Budget Line Equation     Click here to
visit the calculator or click the Calculator Folder Tab above
If you have two goods, x and y, each with a respective price,
which follows the budget line, you can use this calculator to
determine any one of the five budget line items with the
equation below. I = Qx x Px + Qy x Py  where I = Total Income of
the Consumer Px = Price of item x. Qx = Quantity of item x Py =
Price of item y. Qy = Quantity of item y  EXAMPLE: Let's say you
want to figure out how much income you need to buy 2 shirts at 5
dollars each and 3 pants at 6 dollars each.  You would press the
Calculate Income.  Then you would enter 2 for quantity of x, 5
for price of x, 3 for quantity of y, and 6 for price of y and
Press Calculate.  Your answer is 28.