SOLUTION: Frank is 40 years old. His son Frankie is 16. How many years ago was Frank 6 times as old as his son

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Question 629768: Frank is 40 years old. His son Frankie is 16. How many years ago was Frank 6 times as old as his son
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
40-x=6*(16-x)
40-x=96-6x
5x=56
x=56/5
x=11.2