The formula of simple interest is not correct in the README.md file.

[sght500]

Description of the bug
The simple interest formula in the README.md file is incorrect. It's only multiplying the principal by the rate and the time.

To Reproduce
Steps to reproduce the behavior:

1. Open the README.md file.
2. See the current formula: simple interest = p*t*r
3. It's missing the division by 100.

Expected behavior
The formula for simple interest in the README.md file should be simple interest = p*t*r/100

Screenshots

Desktop (please complete the following information):

• OS: Windows
• Browser: Brave
• Version: v1.69.168

Additional context
I created this issue as part if the Final Project of the Course "Getting Started with Git and GitHub" at Coursera.