Answer:
9 gallons
Step-by-step explanation:
Since Khloe used 4 times (4x) as much paint for the kitchen and dining room walls, you can take the amount she used on the living room walls and multiply by 4:
[tex]2\frac{1}{4}=\frac{9}{4}*\frac{4}{1}=\frac{36}{4}=9[/tex]
