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AYANUCHIHAXIN
Answered

when i was 12 my sister was half my age now that i am 69 my brother is 31 years older than me work out their ages combined

Answer :

When I am 69 my sister is 69/2 =34.5
The ages combined including the sister, the girl, and the brother is 134.5. Half of 69 is 34.5, so what you do is you add 69+31+34.5 And get 134.5

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