Answer:10.5
Step-by-step explanation:
14 gallons ÷ 4 classes = 3.5 gallons per class Each class received 3.5 gallons of paint. Now, let's calculate how much paint three classes will use. 3.5 gallons/class x 3 classes = 10.5 gallons Therefore, three classes will use a total of 10.5 gallons of paint