describes a situation in which two people each want to exchange some good or service that the other can provide. Select one: a. A medium of exchange b. A double coincidence of wants c. Interrelated banking d. The usefulness of money

b. A double coincidence of wants

Explanation:

A double coincidence of wants is the situation at which the two persons want to exchange their products or service between themselves without involved any monetary transactions. Moreover, it can be done directly

So according to the given situation, the double coincidence of wants shows the current situation as in this case the same situation occurs which is described above

Hence, the second option is correct

1. c

2. b

3. a

4. c

5. a

6. b

7. c

8. c

9.b

10. d

just took it 100%

i think the answer is a. science center.