 
 <translate> Since average price of a pencil = 2
∴ Price of 75 pencils = 150
∴ Price of 30 pens = (630 – 150) = 480
∴ Average price of a pen = 480⁄60 = 16 The final answer: (E). <ibo> Ebe ọ bụ na ọnụahịa nke pensụl = 2 <unk> Ọnụ ego pensụl 75 = 150 <unk> Ọnụ ego mkpịsị 30 = (630 <unk> 150) = 480 <unk> Ọnụ ego a na-ere otu mkpịsị akwụkwọ bụ 480⁄60 = 16 Azịza ya bụ: (E). 