The sum of ages of Anup and his father is 100. When Anup is as old as his father now, he will be five times as old as his son Anuj is now. Anuj will be eight years older than Anup is now, when Anup is as old as his father. What are their ages now?

Explanation

To solve the problem step by step, let's define the ages of Anup, his father, and Anuj using algebra.

### Step 1: Define Variables
Let:
- Anup's current age = \( x \)
- Father's current age = \( 100 - x \) (since the sum of their ages is 100)
- Anuj's current age = \( y \)

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