SOLUTION: Professor Harvan started work when he was 15. He spent 1/4 of his working life as a pro ball player, then 1/5 working as an umpire, and 1/3 working for iron pigs. He has also spent

Question 1128529: Professor Harvan started work when he was 15. He spent 1/4 of his working life as a pro ball player, then 1/5 working as an umpire, and 1/3 working for iron pigs. He has also spent the last 13 years working as a teacher. How old is Professor Harvan
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
W, number of years of his working life.

Solve for W, and then compute 15+W.

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