If the cost price of 18 chairs be equal to selling price of 16 chairs, find the gain or loss percent.

Explanation

To find the gain or loss percent when the cost price of 18 chairs is equal to the selling price of 16 chairs, we can follow these steps:

### Step-by-Step Solution:

1. **Define Variables:**
Let the cost price (CP) of one chair be \( x \) and the selling price (SP) of one chair be \( y \).

2. **Calculate Total Cost Price and Selling Price:**
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