Question

On a recent day , a Euro was equal to about 1.2 American dollars.write an expression which estimates the number of American dollars equal to 25 Euros?

Answer 1

Here's the way to go:

25 Euros       $1.20
------------- * --------------- = number of American dollars equal to 25 Euros.
       1               1 Euro

Cancel "Euro" in the 2 places where it occurs.  The numeric outcome will be $30.