 
<translate> Chebara ajụjụ na-esonụ echiche. Ngwunye abụọ pụrụ imeju otu tank n'ime minit 20 na minit 24 n'otu n'otu, otu ọkpọkọ mkpofu pụkwara ịgbapụta galọn 3 n'otu minit. Ọ bụrụ na ọkpọkọ atọ ahụ arụkọ ọrụ ọnụ, ọ ga-ewe nkeji iri na ise tupu ha niile eju n'ime tank ahụ. Ike nke tankị ahụ bụ? Nhọrọ: (A) 299 (B) 2767 (C) 120 (D) 287 (E) 261 <eng> Use some thinking to answer the following question. Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is?
Options:
(A) 299
(B) 2767
(C) 120
(D) 287
(E) 261 