 <translate> John gbara afọ 39 - 3 = 36 afọ atọ gara aga. Nke a pụtara na n'ime afọ isii, James ga-adị afọ iri atọ na isii na ọkara, ya bụ, afọ iri na asatọ. N'oge a, James dị afọ iri na asatọ - isii = afọ iri na abụọ. N'ihi ya, nwanne James nke okenye dị afọ 12 + 4 = afọ 16. Azịza ya bụ: 16. <hau> John yana da shekaru 39 - 3 = 36 shekaru 3 da suka wuce. Wannan yana nufin cewa a cikin shekaru 6 James zai kasance 36 / 2 = 18 shekara. A yanzu haka James yana da shekara 18 - 6 = 12. Don haka babban ɗan'uwan James yana da shekara 12 + 4 = 16. Amsar ita ce: 16. 