NO.PZ2023061903000020
问题如下:
Q. An exchange rate between two currencies has increased to 1.4500. If the base currency has appreciated by 8 percent against the price currency, the initial exchange rate between the two currencies was closest to:选项:
A.1.3340. B.1.3426. C.1.5660.解释:
B is correct. The percentage appreciation of the base currency can be calculated by dividing the appreciated exchange rate by the initial exchange rate. In this case, the unknown is the initial exchange rate. The initial exchange is the value of X that satisfies the formula:
1.4500/X = 1.08Solving for X leads to 1.45/1.08 = 1.3426.