###### Example3.2.8

In a science lab, a container had \(21\) ounces of water at 9:00AM. Water has been evaporating at the rate of \(3\) ounces every \(5\) minutes. When will there be \(8\) ounces of water left?

In a science lab, a container had \(21\) ounces of water at 9:00AM. Water has been evaporating at the rate of \(3\) ounces every \(5\) minutes. When will there be \(8\) ounces of water left?