If eggs demand function is Qd=100 - 2P, what is the quantity demanded when price is $5?

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Multiple Choice

If eggs demand function is Qd=100 - 2P, what is the quantity demanded when price is $5?

Explanation:
A linear demand function shows how the quantity demanded changes with price, so you determine Qd by substituting the given price into the equation. With Qd = 100 − 2P and P = 5, Qd = 100 − 2(5) = 100 − 10 = 90. So the quantity demanded is 90. For context: at price $0, Qd would be 100; at price $10, Qd would be 80; a quantity of 110 would require a negative price (-$5) in this model, which isn’t the scenario here.

A linear demand function shows how the quantity demanded changes with price, so you determine Qd by substituting the given price into the equation.

With Qd = 100 − 2P and P = 5,

Qd = 100 − 2(5) = 100 − 10 = 90.

So the quantity demanded is 90. For context: at price $0, Qd would be 100; at price $10, Qd would be 80; a quantity of 110 would require a negative price (-$5) in this model, which isn’t the scenario here.

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