Divide 20 pens between Sheela and Sangeeta in the ratio of 3 : 2.

Explanation

To divide 20 pens between Sheela and Sangeeta in the ratio of 3:2, follow these steps:

### Step 1: Understand the Ratio
The ratio of Sheela to Sangeeta is given as 3:2. This means that for every 3 parts Sheela receives, Sangeeta receives 2 parts.

### Step 2: Calculate the Total Parts
Add the parts of the ratio together:
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