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
Algebra.Com
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(8007) (Show Source): You can put this solution on YOUR website!
He never was. He is only 4.33 times older than him now.
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