Question: Assume the demand function for good X can be written as Qd = 80 - 3Px + 2Py + 10I, where Px = the price
Assume the demand function for good X can be written as Qd = 80 - 3Px + 2Py + 10I, where Px = the price of X, Py = the price of good Y, and I = Consumer income,
all else constant, a one unit increase in the price of good Y would cause the quantity demanded of good X to:
A) decrease by 2 units.
B) increase by 2 units.
C) decrease by 1 unit.
D) decrease by 5 units.
Please explain
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