150g 10% ................. 4-0=4
................ 4%
xg 0% ..................... 10-4=6
150/x = 4/6
4x = 150*6
x = 225g wody
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150g 10% ................. 4-0=4
................ 4%
xg 0% ..................... 10-4=6
150/x = 4/6
4x = 150*6
x = 225g wody