Task: Question Answering
Input (English): Problem: visitors to show were charged rs. 15 each on the first day. rs. 7.50 on the second day, rs. 2.50 on the third day and total attendance on the 3 days were in ratio 2: 5: 13 respectively. the average charge per person for the whole show is ?
Options: a. 1, b. 4, c. 5, d. 6, e. 8
Output (English): c