 <translate> 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 3 days = 3 (1/18) = 1/6.
This justifies what answer for what question? Q & A:  <yor> A jẹ́ iṣẹ́ ọjọ́ kan = 1/30 B jẹ́ iṣẹ́ ọjọ́ kan = 1/45 (A + B) jẹ iṣẹ́ ọjọ́ kan = 1/30 + 1/45 = 1/18 Ìpín iṣẹ́ tí a parí ní ọjọ́ mẹ́ta = 3 (1/18) = 1/6. Ìdáhùn wo ló bọ́gbọ́n mu sí ìbéèrè yìí? Ìbéèrè àti Ìdáhùn: 