SOLUTION: If frank is 10 years younger than twice his age, he would be 80 years old. How old is Frank?

SOLUTION: If frank is 10 years younger than twice his age, he would be 80 years old. How old is Frank?

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Question 1159174: If frank is 10 years younger than twice his age, he would be 80 years old. How old is Frank?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
F, Frank's age

IF , what is F?

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