A glass of 320 grams of pure milk, I drank 1 / 4 for the first time, and then drank 1 / 4 after filling with water. How many grams of pure milk did I drink for the second time? Formula~~

320-320/4=240
240 / 4 = 60 (g)

A glass of 320 grams of pure milk, I drank 1 / 4 for the first time, and then drank 1 / 4 after filling with water. I drank more that time? How many grams of pure milk did I drink the second time?

The first time I drank 1-4, I drank 80g
After filling with water, milk is 240g, water is 80g
Another 1 / 4, that is, milk is 3 / 16 (1 / 4 * 3 / 4), and 60 G
The first time I drank more milk. The second time I drank 60 grams of pure milk

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