Puzzle 127 - Balanced

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A scale is balanced. On one side of the scale, there are 31 ⁄ 2 bags of rice and on the other side there are 1 3⁄4 bags of rice and 1⁄4 kilo weight.

What is the weight of one bag of rice?

This puzzle is borrowed from the book "Brain teasers" by Ian Livingstone and Jamie Thomson

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