**Solution for yesterday’s problem**

For $3620, he can buy a maximum of 7 pants at $480 each

He is left with $260, that’s , exactly divisible by 130.

Therefore, he buys 7 pants and 2 shirts.

**Today’s problem**

**From a barrel containing 500 ml of alcohol, 3 cups of alcohol are poured into a barrel containing 500 ml of water. After mixing the contents well, 3 cups of the mixture are poured into the barrel of alcohol. what is the ratio of the percentage of water in the barrel of alcohol to the percentage of alcohol in the barrel of water?**

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