The expression that represents Gia's thinking is given by:
2n + 8.
What is Gia's thinking?
The steps are as follows:
- First, she thinks of a number called n.
- Then, she adds 4 to the number, which means that the expression can now be represented by n + 4.
Finally, she doubles the sum, which means that the distributive property is applied and the expression will be represented by:
2 x (n + 4) = 2n + 8.
You can learn more about the translation of sentences to mathematical expressions at https://brainly.com/question/12470265
