SOLUTION: On a recent day, the exchange rate for U.S. dollars to European euros was 0.89 dollar per euro. On that day, about how many euros would you get for 25 dollars?
Write a proportion
0.89 dollar 25 dollars
------------- = ------------
1 euro x euros
or
= .
From this proportion, get
x = = use your calculator = 28.08989... = 28.09 euros. ANSWER