SOLUTION: Frank is 4 years older than Bill. Five years ago Frank was twice as old as Bill. How old is Frank now?
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Question 343014: Frank is 4 years older than Bill. Five years ago Frank was twice as old as Bill. How old is Frank now?
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
Frank's current age = x + 4
Bill's current age = x
(x + 4) - 5 = 2(x - 5)
x - 1 = 2x - 10
x - 2x = -10 + 1
-x = -9
x = -9/-1
x = 9
Frank is 9 + 4 years old or 13 years old.
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