Which of the Following Pairs of Equations Describes the Supply

question 24

Multiple Choice

Which of the following pairs of equations describes the supply and demand curves given in the accompanying demand and supply tables? $$\begin{array} { | c | c | c | } \hline \text { Price } & \text { Quantity Supplied } & \text { Quantity Demanded } \\\hline \$ 20 & 0 & 40 \\\hline \$ 25 & 10 & 40 \\\hline \$ 30 & 20 & 40 \\\hline \$ 35 & 30 & 40 \\\hline \$ 40 & 40 & 40 \\\hline \$ 45 & 50 & 40 \\\hline\end{array}$$

• A) Qs = P - 40; Qd = 40P, respectively
• B) Qs = P - 20; Qd = 40, respectively
• C) Qs = 2P - 40; Qd = 40, respectively
• D) cannot be determined

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Neandertal

An extinct species of human characterized by robust physical features, known to have lived in Europe and parts of Asia until about 40,000 years ago.

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An extinct species of early human that lived from approximately 2 million to roughly 100,000 years ago, known for being one of the first hominins to use fire and sophisticated tools.

Laurasia

An ancient supercontinent that is believed to have been in the northern hemisphere and subsequently split into North America, Europe, and Asia.

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