Mr Akpoti has meat and wants maize, while Mr, Adama has maize and wants meat.transation is possible because of

The transaction is possible because of the "double coincidence of wants." This refers to a situation where two individuals have goods or services that the other wants, and they are willing to exchange them directly without the need for money or a medium of exchange. In this case, Mr. Akpoti has meat and wants maize, while Mr. Adama has maize and wants meat, and they can exchange these goods without the use of money because there is a mutual need for each other's goods. Therefore, the double coincidence of wants facilitates the barter exchange between Mr. Akpoti and Mr. Adama.