Ile gramów srebra próby 0,750 nalezy dodać do 32 gramów srebra próby 0,375 aby otrzymać srebro próby 0,510.
0.75x + 32 * 0.375 = 0.51(32+x)
0.75x + 12= 16.32 + 0.51x
0.24x=4.32
x=18
trzeba dodac 18g srebra
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0.75x + 32 * 0.375 = 0.51(32+x)
0.75x + 12= 16.32 + 0.51x
0.24x=4.32
x=18
trzeba dodac 18g srebra