Answer
Answer choice $G$: $2.8$
Work Step by Step
The library is dilated by a scale factor of $\frac{8}{100}$, or $\frac{2}{25}$. To find $x$, you must multiply $\frac{2}{25}$ by $35$, which is equal to $\frac{14}{5}$, or $2.8$. The answer is $G$.