A shopkeeper gives books on rent for reading. She takes a fixed charge for the first two days and an additional charge for each day thereafter. Latika paid Rs. 22 for a book kept for six days, while Anand paid Rs. 16 for the book kept for four days. Find the fixed charges and the charge for each extra day.

Explanation

To solve the problem, we need to set up equations based on the information given about the rental charges for the books. Let's break it down step by step.

### Step 1: Define Variables
Let:
- \( x \) = Fixed charge for the first two days
- \( y \) = Additional charge for each day thereafter

### Step 2: Set Up Equations
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