SOLUTION: A man passed one-sixth of his life in childhood, one twelfth in youth and one seventh in childless marriage. After 5 years of marriage, the man had a child. Alas! Late

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Question 169335: A man passed one-sixth of his life in childhood, one twelfth in youth and one seventh in childless marriage. After 5 years of marriage, the man had a child. Alas! Late - born wretched child; after attaining half her father's life, cruel fate overtook her, leaving the man to spend his last 4 years solving math problems. What was the man's final age?
Please give me the representation of that....
thank you very very much for those who answer my question.
Answer by Mathtut(3670) (Show Source):
You can put this solution on YOUR website!
lets call age of this man A
so (1/6)A+(1/12)A+(1/7)A+5+(1/2)A+4=A------->multiply by lcd 84
:
14A+7A+12A+420+42A+336=84A
:
9A=756
:
mans final age-->he didnt start solving math problems til he was 80...lol

SOLUTION: A man passed one-sixth of his life in childhood, one twelfth in youth and one seventh in childless marriage. After 5 years of marriage, the man had a child. Alas! Late - born wretc