A 220-liter barrel has a small leak. It lost 10% of its contents before anyone noticed. How many liters are left in the barrel? Let's think first. Chain of thought:
User
The barrel lost 220 * 10 / 100 = 22 liters before anyone noticed. So, 220 – 22 = 198 liters are left in the barrel.
Therefore, the answer is 198.
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