 
 <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: <ibo> Azụ̀ dị na akwarium Bobby ji okpukpu abụọ karịa nke dị na nke Sarah. Sarah nwere azụ̀ ise n'ime akwarium ya karịa Tony. Azụ Tony nwere n'ime akwarium ya ji okpukpu atọ karịa nke Billy nwere. Billy nwere azụ iri. Azụ ole ka mmadụ anọ a gbakọtara? Echiche ndị dị aṅaa? Ntụziaka nzọụkwụ site na nzọụkwụ: 