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10-03-2016
Mathematics

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Luis' father is four times as old as Luis. His grandfather is twenty years older than his father. The sum of their three ages is 110. How old is Luis father?

Respuesta :

10-03-2016

luis is 10 yrs old
so his dad is 40 yrs old
so his grand father is 60 yrs old
which adds up to 110
so the answer is luis father is 40

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