Multiple Choice
If the quantity of hearing aids demanded is represented by the equation QD = 40 - P then the corresponding price of hearing aids is represented by the equation
A) P = 0.5QD + 20.
B) P = 40 - QD.
C) P = 0.25 - 4QD.
D) P = QD + 40.
Correct Answer:

Verified
Correct Answer:
Verified
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