 
<translate> Ajụjụ: Otu onye na-ere akwụkwọ na-ere akwụkwọ iri na ise n'ọnwa Jenụwarị, iri na isii n'ọnwa Febụwarị nakwa akwụkwọ ole na ole n'ọnwa Machị. Ọ bụrụ na ọnụọgụgụ akwụkwọ ọ rere n'ọnwa n'ọnwa atọ ahụ bụ 16, akwụkwọ ole ka o rere n'ọnwa Machị? A: 17 <eng> Q:A bookseller sells 15 books in January, 16 in February and a certain number of books in March. If the average number of books he sold per month across all three months is 16, how many books did he sell in March?
A:17 