3. An alloy weighing 180 g contains 4 times more tin than zinc. Crystallization of such a melt leads to the formation of a eutectic, the mass fraction of zinc in which is 8%, and in the form of large crystals
1) tin weighing 12.5 g
2) zinc weighing 23.5 g
3) tin weighing 23.5 g
4) zinc weighing 28.3 g
5) tin weighing 28.3 g.

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