can you please do all work in steps on a paper if possible

Exercises: The Foreign Exchange Market and Exchange Rate Determination EXERCISE 3 (Exchange rate determination) In 1995, one dollar bought 80. In 2000, it bought about 110. a) What was the dollar value of the yen in 1995? What was the yen's dollar value in 2000? b) By what percent has the yen fallen in value between 1995 and 2000? c) By what percent has the dollar risen in value between 1995 and 2000? Exercises: The Foreign Exchange Market and Exchange Rate Determination EXERCISE 3 (Exchange rate determination) In 1995, one dollar bought 80. In 2000, it bought about 110. a) What was the dollar value of the yen in 1995? What was the yen's dollar value in 2000? b) By what percent has the yen fallen in value between 1995 and 2000? c) By what percent has the dollar risen in value between 1995 and 2000