 <translate> Jimlar shekarun ƙungiyar da ke da mutane 4 da matsakaicin 40 = 4x40 = 160 Jimlar shekarun ƙungiyar da ke da mutane 5 da matsakaicin 38 = 5x38 = 190 Shekaru na sabon mutumin da aka kara wa kungiyar = 190-160 = 30 Amsar: (C). <ibo> Nchịkọta nke afọ nke ìgwè nwere mmadụ 4 na nkezi 40 = 4x40 = 160 Nchịkọta nke afọ nke ìgwè nwere mmadụ 5 na nkezi 38 = 5x38 = 190 Afọ onye ọhụrụ a gbakwunyere n'ìgwè = 190-160 = 30 Azịza ya: (C). 