 
 <translate> A man can buy a new house in 4 years with all of his earnings. But he spend the same amount in household expenses in 8 years and for savings in 12 years. How many time needed for buying the house?
Options:
(A) 12
(B) 20
(C) 30
(D) 15
(E) 24 OK. Let's think. Some random thoughts first: <ibo> Nwoke nwere ike iji ego niile ọ na-akpata zụta ụlọ ọhụrụ n'ime afọ anọ. Ma ọ na-emefu otu ego ahụ n'ego ezinụlọ n'ime afọ 8 nakwa n'ihe ndị o chekwara n'ime afọ 12. Ogologo oge ole ka achọrọ maka ịzụta ụlọ ahụ? Nhọrọ: (A) 12 (B) 20 (C) 30 (D) 15 (E) 24 Ọ dị mma. Ka anyị chee echiche. Echiche ụfọdụ na-enweghị isi mbụ: 