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Biology, 23.09.2019 00:50 niele123

A20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution. which of the following expressions is equal to 4(50)?
a.) 0.2x + 0.7y
b.) 2x + 7y
c.) x + y

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A20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution. which of th...
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