 
<translate> E nwere 20 + 2 nke aka Pita = aka 22 na klas Pita gụnyere nke ya. E nwere aka iri abụọ na abụọ / aka abụọ n'otu nwa akwụkwọ = ụmụ akwụkwọ iri na otu. Azịza ya bụ: 11. <eng> There are 20 + 2 of Peter’s hands = 22 hands in Peter’s class including his. There are 22 hands / 2 hands per student = 11 students. The answer: 11. 