Answer:
2.5 liters of the 5% salt solution and 7.5 liters of the 25% salt solution
Explanation:
0.05x + 0.25(10-x) = 0.10*10,
0.05x + 2.5 - 0.25x = 1,
-0.2x = -1.5,
x = 7.5, liters of 5% salt solution
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