- A18
- B12
- C15
- D20
Step-by-Step Solution
Let the son be S; father = 3S. Then 3S + 5 = 2.5(S + 5), so 0.5S = 7.5 and S = 15.
Answer: C) 15
The present age of a father is three times that of his son. Five years from now, the father's age will be two and a half times the son's age. What is the son's present age in years?
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