https://drive.google.com/file/d/1Cuv54jS2lzHhDElXlbGBUx12vBJB3EZl/view?usp=drivesdk
this link worked not anyone can view it
this one is the real one.
It's $\frac{51}{40}$, greater than $1$ but less than $1 \frac{1}{2}$.
Answer is R.
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