Mathematics, 18.10.2019 12:30, sonnekaustin60

A52 year-old father has a son and a daughter. the son is twice as old as the daughter. in 4 years the sum of all their ages will be 100. how old are the two siblings now?

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A52 year-old father has a son and a daughter. the son is twice as old as the daughter. in 4 years th...