While purchasing one item costing Rs. 400, I had to pay the sales tax at 7% and on another costing Rs. 6400, the sales tax was 9%. What percent of the sales tax I had to pay, taking the two items together on an average ?
Correct Answer: 8 + 15/17
Explanation:
Total sales tax paid = 7% of Rs, 400 + 9% of Rs. 6400
