SOLUTION: Jack was 0.3 of his father's age this year. If he is 12 this year, how old was the father when Jack was born?

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Question 939052: Jack was 0.3 of his father's age this year. If he is 12 this year, how old was the father when Jack was born?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
.3F = 12
F = 12/.3 = 40, father's age NOW.
...
Age of the Father when Jack was born: 28 +40-12+