Autumn Fair sells reusable plastic stencils for use in decorating.When graphed,the demand schedule for Autumn Fair brand stencils forms a straight line.If at $3 per stencil,500 stencils are demanded,and at $4 per stencil,450 stencils are ordered,how many will be ordered at a price of $6 per stencil?
A) 350
B) 450
C) 400
D) 333
E) 375

Question

Quizplus · Accepted Answer

The demand schedule forms a straight line, indicating a linear relationship. The slope of the line is (450-500)/(4-3) = -50. Using the point-slope form of a line, the equation is: Quantity = -50(Price) + 650. Substituting $6 for Price gives Quantity = -50(6) + 650 = 350.

Autumn Fair Sells Reusable Plastic Stencils for Use in Decorating