Answer: Expression used to find the total ribbon she used = x+11.2
Explanation:
Let the length of blue ribbon to use to make a bow for a dress be x
And
The length of brown ribbon is used to make a bow for a dress = 11.2 inches
Expression need to find the total ribbon she used will be sum of blue and brown ribbon altogether
i.e. x+11.2 inches
So, the required expression will be x+11.2 inches