A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90. Find the number of articles produced and the cost of each article.

Explanation

To solve the problem step by step, we will define the variables and set up the equations based on the information given.

### Step 1: Define the Variables
Let \( x \) be the number of articles produced in a day.

### Step 2: Express the Cost of Production
According to the problem, the cost of production of each article (in rupees) is 3 more than twice the number of articles produced. Therefore, the cost per article can be expressed as:
\[
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