 <translate> In an office, 60 percent of the workers have at least 5 years of service, and a total of 16 workers have at least 10 years of service. If 90 percent of the workers have fewer than 10 years of service, how many of the workers have at least 5 but fewer than 10 years of service?
Options:
(A)  96
(B)  64
(C)  50
(D)  144
(E)  160 Let's think first. Stream of consciousness: <yor> Ní ọ́fíìsì kan, ìpín ọgọ́ta nínú ọgọ́rùn-ún àwọn òṣìṣẹ́ ló ti lo ọdún márùn-ún tàbí jù bẹ́ẹ̀ lọ lẹ́nu iṣẹ́, àwọn òṣìṣẹ́ mẹ́rìndínlógún ló sì ti lo ọdún mẹ́wàá tàbí jù bẹ́ẹ̀ lọ lẹ́nu iṣẹ́. Bí ìdá àádọ́rùn-ún nínú ọgọ́rùn-ún àwọn òṣìṣẹ́ kò bá tíì pé ọdún mẹ́wàá tí wọ́n ti ń ṣiṣẹ́, mélòó nínú wọn ló ní ó kéré tán ọdún márùn-ún tí wọ́n ti ń ṣiṣẹ́ àmọ́ tí wọn ò tíì pé ọdún mẹ́wàá? Àwọn àyè: (A) 96 (B) 64 (C) 50 (D) 144 (E) 160 Ẹ jẹ́ ká kọ́kọ́ ronú. Ìṣàn ìmọ̀: 