 <translate> Susan, Arthur, Tom and, Bob are siblings. Arthur is 2 years older than Susan, and Tom is 3 years younger than Bob. If Bob is 11 years old, and Susan is 15 years old, how old are all four family members in total?
The answer is 51 <yor> Susan, Arthur, Tom àti Bob jẹ́ ọmọ ìyá kan náà. Ọdún méjì ni Arthur fi ju Susan lọ, ọdún mẹ́ta sì ni Tom fi ju Bob lọ. Bó bá jẹ́ pé ọmọ ọdún mọ́kànlá ni Bob, tí Susan sì jẹ́ ọmọ ọdún mẹ́ẹ̀ẹ́dógún, kí ni iye ọdún tí àwọn mẹ́rẹ̀ẹ̀rin tó wà nínú ìdílé náà jẹ́ lápapọ̀? Ìdáhùn náà ni 51 