If the quantity of tacos demanded is represented by the equation QD = 20 - 0.5P then the corresponding price of tacos is represented by the equation
A)P = 0.5QD + 10.
B)P = 40 - 2QD.
C)P = 10 - 2QD.
D)P = QD + 40.

Question

Quizplus · Accepted Answer

To find the corresponding price of tacos, we need to isolate the variable P in the given demand equation:
QD = 20 - 0.5P
0.5P = 20 - QD
P = (20-QD)/0.5
P = 40 - 2QD
Therefore, the corresponding price of tacos is given by the equation P = 40 - 2QD, which is option B.

If the Quantity of Tacos Demanded Is Represented by the Equation