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.

Question

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.

Quizplus · Accepted Answer

Ted has an orange and wants a peach, while Alice has a peach and wants an orange. This creates a double coincidence of wants between Ted and Alice.

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