The Cadet football team has a giant water cooler that is currently holding 60 quarts of water.
However, the water cooler develops a leak during the game, and is losing water at a rate of 4 quarts
per minute.
Part A: Write a function representing the amount of water, w(t), still in the cooler after t minutes.
Part B: how many minutes will it take for the cooler to be empty? The cooler will be empty after___ minutes