Answer: The walrus ate 48 quarts of ice cream
Step-by-step explanation: To convert 12 gallons into quarts, we need to start with a conversion factor for gallons and quarts.
Conversion factor ⇒ 1 gallon = 4 quarts
If we want find out how many quarts of ice cream the walrus ate, we can simply multiply the number of quarts in a gallon which is 4 by the number of gallons we have which is 12.
12 × 4 = 48
Therefore, 12 gallons of ice cream is equivalent to 48 quarts of ice cream.