A man is 5 times as old as his son. After 5 years, he will be 3 times as old as his son. What is the son's current age?
Q1. A man is 5 times as old as his son. After 5 years, he will be 3 times as old as his son. What is the son's current age?
Answer: 10 years
Explanation: Let son's age be x, man's age be 5x. After 5 years: 5x + 5 = 3(x + 5). Solving gives x = 10.