SOLUTION: How many liters of a 11% salt solution must mixed with 10 liters of a 30% salt solution to obtain a 21% salt solution

Question 1074257: How many liters of a 11% salt solution must mixed with 10 liters of a 30% salt solution to obtain a 21% salt solution

Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many liters of a 11% salt solution must mixed with 10 liters of a 30% salt solution to obtain a 21% salt solution
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Use L liters.
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then,
L*11 + 10*30 = (L+10)*21

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Salt in water can be made higher than about 24% ONLY AT MUCH HIGHER TEMPERATURES from ordinary room temperature.

Here's the arithmetic anyway.

x, how much of the 11% salt solution

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