Solve the problem.Assume that the price per unit d of a certain item to the consumer is given by the equation  where x is the number of units in demand. The price per unit from the supplier is given by the equation  where x is the number of units supplied. Find the equilibrium price and the equilibrium quantity.

A. equilibrium price: $35 per unit; equilibrium quantity: 50 units
B. equilibrium price: $50 per unit; equilibrium quantity: 30 units
C. equilibrium price: $20 per unit; equilibrium quantity: 50 units
D. equilibrium price: $30 per unit; equilibrium quantity: 50 units


Answer: D

Mathematics

You might also like to view...

Simplify the algebraic expression.6(2x - 3) - 4(x - 2)

A. 8x - 26 B. -12x - 10 C. 8x - 5 D. 8x - 10

Mathematics

Graph the pair of parametric equations in the rectangular coordinate system.x = t + 6, y = ; -5 ? t ? 5

A.

B.

C.

D.

?

Mathematics

Solve the problem.A lake is stocked with 589 fish of a new variety. The size of the lake, the availability of food, and the number of other fish restrict growth in the lake to a limiting value of 3681. The population of fish in the lake after time t, in months, is given by the function, P(t) = . Find the population after 5 month(s).

A. 1457 B. 1437 C. 1462 D. 1447

Mathematics

Divide.

A. 20 R 5 B. 19 C. 20 R 11 D. 19 R 13

Mathematics