Give a quick stream of consciousness before answering the following question. 30 pens and 75 pencils were purchased for 630. If the average price of a pencil was 2.00, find the average price of a pen.\nOptions:\n(A) 10\n(B) 11\n(C) 12\n(D) 13\n(E) 16
User
Since average price of a pencil = 2\n∴ Price of 75 pencils = 150\n∴ Price of 30 pens = (630 – 150) = 480\n∴ Average price of a pen = 480⁄60 = 16
The answer: (E).
Assistant