 <translate> Bobby has an aquarium with twice as many fish as Sarah's has. Sarah has 5 more fish in her aquarium than Tony does. Tony has 3 times as many fish in his aquarium as Billy does. Billy has 10 fish. How many fish do all 4 people have put together?
Thoughts? Step-by-step reasoning: <yor> Ọkọ̀ òkun tí Bobby ní pọ̀ ju ti Sarah lọ ní ìlọ́po méjì. Ẹja márùn-ún ni Sarah ní nínú ẹja inú adágún omi rẹ̀ ju ti Tony lọ. Ẹja tó wà nínú àgò omi Tony ju ti Billy lọ ní ìlọ́po mẹ́ta. Billy ní ẹja mẹ́wàá. Èèyàn mẹ́rin náà kó ẹja mélòó jọ? Ṣé o ní èrò kan? Àlàyé tó ṣe ṣísẹ̀-n-tẹ̀lé: 