 
<translate> K-ọnụọgụ bụ ọnụọgụgụ dị mma nke nwere naanị 2 dị ka ọnụọgụgụ ha. Dịka ọmụmaatụ, 2, 22, na 222 bụ nọmba K. K-ibu nke ọnụọgụgụ n bụ ọnụọgụgụ nke ọnụọgụgụ K nke a ga-agbakọta ọnụ iji mee ka ọ hara n. Dịka ọmụmaatụ, K-arọ nke 50 bụ 5, n'ihi na 50 = 22 + 22 + 2 + 2 + 2. Gịnị bụ K-ibu nke 550? Nhọrọ: (A) 10 (B) 11 (C) 12 (D) 13 (E) 15 Ugbu a, ka anyị chee echiche. Ụfọdụ echiche na-enweghị isi: <eng> K-numbers are positive integers with only 2's as their digits. For example, 2, 22, and 222 are K-numbers. The K-weight of a number n is the minimum number of K-numbers that must be added together to equal n. For example, the K-weight of 50 is 5, because 50 = 22 + 22 + 2 + 2 + 2. What is the K-weight of 550?
Options:
(A) 10
(B) 11
(C) 12
(D) 13
(E) 15 Now, let's think a bit. Some random thoughts: 