If there are five goods in a barter economy, one needs to know ten prices in order to exchange one good for another.
If, however, there are ten goods in a barter economy, then one needs to know ________ prices in order to exchange one good for another. A) 20
B) 25
C) 30
D) 45
ANSWER
D
Place an order in 3 easy steps. Takes less than 5 mins.