 
<translate> Susan, Arthur, Tom na Bob bụ ụmụnne. Arthur ji afọ abụọ tọọ Susan, Tom ji afọ atọ tọọ Bob. Ọ bụrụ na Bob dị afọ iri na otu, Susan adịrị afọ iri na ise, afọ ole ka mmadụ anọ ndị ọzọ nọ n'ezinụlọ ahụ dị? Azịza ya bụ 51 <eng> 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 