Mathematics, 19.05.2021 06:00 cgarcia04
A 20% acid solution is mixed with a 70% acid solution to get 100 liters of a 50% solution.
If x= the amount of 20% solution and y = the amount of 70% solution, which of the following expressions equals 500?
0.2x+0.7y
20x + 70y
2x+7y
Answers: 2
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A 20% acid solution is mixed with a 70% acid solution to get 100 liters of a 50% solution.
If x= th...
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