By definition, a ratio is used to compare values.
In this case, the ratio given in the exercise is comparing the amount of cups of nuts and the amount of cups of dried fruit that Yolandad uses to make trail mix.
According to the information given in the exercise, the ratio is:
Notice that she uses 4 cups of nuts for every two cups of dried fruit.
By definition, a ratio can be written in fraction form:
Where "a" is the numerator and "b" is the denominator.
Then, you can write the given ratio as following;
If you simplify the fraction dividing the numerator by 2 and the denominator by 2, you get:
Which can be written as:
Therefore, the answer is: