Task: Question Answering
Input (English): Problem: if there are 86 workers in a factory, and on a certain day, 72 were present. calculate the percentage that showed up for work ? ( round to the nearest tenth ).
Options: a. 82.7 %, b. 81.7 %, c. 83.7 %, d. 89.7 %, e. 88.7 %
Output (English): c