 
<translate> A aikin kwana daya ne = 1/30 B aikin kwana ɗaya = 1/45 (A + B) aiki ne na kwana daya = 1/30 + 1/45 = 1/18 Sashin aikin da aka kammala a cikin kwanaki 2 = 2 (1/18) = 1/9. Amsar ƙarshe: (D). <eng> A's one day's work = 1/30
B's one day's work = 1/45
(A + B)'s one day's work = 1/30 + 1/45 = 1/18
The part of the work completed in 2 days = 2 (1/18) = 1/9.
The final answer: (D). 