Step by step procedure

1. you have to calaculate RQD according to given set of core length pieces and core run with the help of given formula.
2. After that click on "submit final answer" button and put the calculated value from your side in textbox.
3. You have 3 attempts if finish all attempts then answer will be show automatically with steps.
4. If you want another set then refresh(Click F5 button) the page.