sherry: 12
tommy: 12+7 = 19
sandra: 19+3 = 22
mira: 22*2 = 44
father: 44*2 = 88
In a family of five , sherry is 12 years old. Her brother tommy is 7 years older than sherry, but 3 years younger than her sister Sandra. MirA is twice as old as Sandra . If Mira is half the father's age . How old is the father
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