 <translate> 1 man's 1 day work = 1/100
(10 men + 15 women)'s 1 day work = 1/4
15 women's 1 day work = (1/4 - 10/100) = 3/20
1 woman's 1 day work = 1/100
1 woman alone can complete the work in 100 days. The answer: (A). <yor> Iṣẹ́ ọjọ́ kan ọkùnrin kan = 1/100 (Ọkùnrin mẹ́wàá + obìnrin mẹ́ẹ̀ẹ́dógún) Ìṣẹ́ ọjọ́ kan = 1/4 15 iṣẹ́ ọjọ́ kan àwọn obìnrin = (1/4 - 10/100) = 3/20 Iṣẹ́ tí obìnrin kan ṣe lọ́jọ́ kan = 1/100 Obìnrin kan ṣoṣo lè parí iṣẹ́ náà láàárín ọgọ́rùn-ún ọjọ́. Ìdáhùn náà ni: (A). 