SOLUTION: "Karl, who is 18 years old, has a great-grandfather, aged 78 years. How many years ago was Karl's great-grandfather 7times as old as Karl?" Thank you

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Question 232749: "Karl, who is 18 years old, has a great-grandfather, aged 78 years. How many years ago was Karl's great-grandfather 7times as old as Karl?"
Thank you
Answer by edjones(7569) About Me  (Show Source):
You can put this solution on YOUR website!
He never was. He is only 4.33 times older than him now.