Meenakshi can paint a boundary wall on her own in 10 days. What fraction of the wall does she paint in 3 days?

Explanation

1. 01

   In one day she paints $\frac{1}{10}$ of the wall.

2. 02

   In 3 days she paints $3 \times \frac{1}{10} = \frac{3}{10}$ of the wall.