SOLUTION: Jack is 8 years older than Jill. Seven years from now the the sum of their ages will be 77. How old is Jill now?

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Question 830774: Jack is 8 years older than Jill. Seven years from now the the sum of their ages will be 77.
How old is Jill now?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
k=l+8,
k+7+l+7=77
jack k = 71/2, jill l = 55/2