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Ages in a family

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Ages in a family

by harsh.champ » Wed Feb 17, 2010 4:14 am
Rose's father is thrice as old as Rose.Also,Rose's age is double that of her brother Pete.After 12 years the father's age will be twice that of his daughter.Find the present age of Pete and Rose.
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by Osirus@VeritasPrep » Wed Feb 17, 2010 6:50 am
Now__________________x + 12

F __________________ F+ 12
R ___________________R + 12
P ___________________P + 12

F = 3R
R = 2P

F + 12 = 2(R + 12)

3R + 12 = 2R + 24
R = 12
P = 6
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