Question

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Answer 1

1/2 a liter was poured out 1 1/2 of a liter is left

Explanation:

2 times 1/4 = 0.5 (1/2):

2/1 x 1/4 = 2/4

Simplify to 1/2

Then:

2 - 1/2 = 1 1/2