Consider the Following Traders Who Meet Which, If Any, Pairs of Traders Has a Double Coincidence

question 232

Multiple Choice

Consider the following traders who meet. $$\begin{array} { | l | l | l | } \hline \text { Bab } & \text { has an apple } & \text { wants an arange } \\\hline \text { Ted } & \text { has an arange } & \text { wants a peach } \\\hline \text { Mary } & \text { has a pear } & \text { wants an apple } \\\hline \text { Alice } & \text { has a peach } & \text { wants an arange } \\\hline\end{array}$$ Which, if any, pairs of traders has a double coincidence of wants?

• A)Bob with Alice
• B)Ted with Alice
• C)Bob with Mary, Ted with Bob, and Ted with Alice
• D)None of the pairs above has a double coincidence of wants.