 
 <translate> Since average price of a pencil = 2
∴ Price of 75 pencils = 150
∴ Price of 30 pens = (450 – 150) = 300
∴ Average price of a pen = 360⁄60 = 10 The final answer: (A). <ibo> Ebe ọ bụ na ọnụahịa nke pensụl = 2 <unk> Ọnụ ego pensụl 75 = 150 <unk> Ọnụ ego mkpịsị 30 = (450 <unk> 150) = 300 <unk> Ọnụ ego nke otu mkpịsị akwụkwọ = 360⁄60 = 10 Azịza ikpeazụ: (A). 