# In 2005 Cora was three times as old as her son Jason ,Four years beck then,she was four times as old as Jason.In what year Jason born?

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Let x be Jason's age in 2005

3x be Cora's age in 2005

Four years back,

Cora's age = 3x-4

Jason's age = x-4

Cora was four times as old as Jason four years ago:

3x-4 = 4(x-4)

Solve for x:

3x-4 = 4x-16

16-4 = 4x-3x

12 = x

Jason's age in 2005 is 12. Therefore,**Jason was born in 1993**.

3x be Cora's age in 2005

Four years back,

Cora's age = 3x-4

Jason's age = x-4

Cora was four times as old as Jason four years ago:

3x-4 = 4(x-4)

Solve for x:

3x-4 = 4x-16

16-4 = 4x-3x

12 = x

Jason's age in 2005 is 12. Therefore,