On August 1, 2006, Zambabwe changed the value of the Zim dollar from Z$101/U.S.$ to Z$250/U.S.$
a. What was the original U.S. dollar value of the Zim Dollar?
b. By what percent has the Zim dollar devalued (revalued) relative to the U.S. dollar?
c. By hat percent has the U.S. dollar appreciated (depreciated) relative to the Zim dollar?