 
<translate> Kọwaa n'ụzọ dị mfe ihe mere (A) ji bụrụ azịza ziri ezi nye: A ga-eji taịlị ọcha na nke ojii 85 mee ka e nwee ihe osise square 10x10. Ọ bụrụ na a ga-enwerịrị ma ọ dịkarịa ala otu taịlị ojii n'ahịrị nke ọ bụla na ma ọ dịkarịa ala otu taịlị ọcha n'ahịrị nke ọ bụla, gịnị bụ ọdịiche kachasị n'etiti ọnụ ọgụgụ taịlị ojii na nke ọcha nke a pụrụ iji mee ihe? Nhọrọ: (A) 75 (B) 80 (C) 85 (D) 90 (E) 95. Nkọwa: <eng> Explain simply why (A) is the correct answer to: 85 white and black tiles will be used to form a 10x10 square pattern. If there must be at least one black tile in every row and at least one white tile in every column, what is the maximum difference between the number of black and white tiles that can be used?
Options:
(A) 75
(B) 80
(C) 85
(D) 90
(E) 95. Explanation: 