Arielle is filling up the kiddie pool for her younger sister and places a hose in the pool, allowing water to fill the pool. After a certain number of minutes, Arielle finds a second hose, places it in the kiddie pool, and allows more water to fill the pool. Arielle can express the average rate of water entering the kiddie pool in gallons per minute as2x 6(x 3)2x 32x 6(x 3)2x 3. What is the meaning of the parts of this rational expression in the context of the situation