To find the grade represented by a score of \( \frac{47}{55} \), you can convert the fraction to a percentage by dividing the numerator by the denominator and then multiplying by 100.
\[ \frac{47}{55} \approx 0.8545 \]
Now multiply by 100 to get the percentage:
\[ 0.8545 \times 100 \approx 85.45% \]
So, a score of \( 47/55 \) is approximately \( 85.45% \). In terms of letter grades, this typically corresponds to a B or a B+ depending on the grading scale used.