Problem:
The volume of a gas in a container has been decreasing exponentially. Over the course of 5 hours the volume has decreased 40%.
Required:
Question 1: Calculate the continous percentage rate at which the volume is decreasing, stated as a percentage accurate to two decimal places and labeled as a rate.
Question 2: Determine how long it will take for the volume to decrease by 60%, accurate to 2 decimal places.
Note: Please show how you came up with the solution.