Billy has an above ground pool that he loves to play in during the summer. One hot summer day he invites some friends over for a pool party. The only thing is his mom said he would have to drain the pool, clean it and fill it back up before his friends came over. The pool contains 2000 gallons of water. He drains the pool until it is empty at a rate of 5 gallons per minute, cleans the pool for 15 minutes, and then refills the pool at 5 gallons per minute. a) Graph the number of gallons of water (G) in the pool over time (t). (Here is an example of the start of your graph). Graph by hand or using a graphing calculator and upload as an image to submit.