SOLUTION: How would I solve this:The concentration of a saline solution is given by the function c)x=0.2/1+x,where x represents the amount of water (in liters) used to dilute the solution.Ho

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: How would I solve this:The concentration of a saline solution is given by the function c)x=0.2/1+x,where x represents the amount of water (in liters) used to dilute the solution.Ho      Log On

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Question 1111359: How would I solve this:The concentration of a saline solution is given by the function c)x=0.2/1+x,where x represents the amount of water (in liters) used to dilute the solution.How much water must be added to obtain a solution that is exactly 10% salt?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+c%28x%29+=+.21+%2F+%28+1+%2B+x+%29+
You are given that +c%28x%29+=+.1+
( 10% salt )
+.1+=+.21+%2F+%28+1+%2B+x+%29+
+.1%2A%28+1+%2B+x+%29+=+.21+
+1+%2B+x+=+2.1+
+x+=+1.1+
1.1 liters of water must be added