SOLUTION: Allie is 3 years younger than Karen.Karen is 4 years older than Jessica .Jessica is 12.How old is Allie

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Question 809767: Allie is 3 years younger than Karen.Karen is 4 years older than Jessica .Jessica is 12.How old is Allie
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a=k-3,
k=4+j,
j=12
k=16
a=13