question_answer

A trader purchases 70 kg of tea at Rs 15 per kg and 30 kg of tea at Rs. 18.50 per kg. If the packing charges are 2 percent, then at what price he must sell the mixture of two to gain 15%?

A)  Rs. 18.80 per kg  

B)         Rs. 18 per kg

C)  Rs. 18.50 per kg 

D)         Rs. 17.80 per kg