SOLUTION: John has 20 grams of a 20% of salt solution. How much salt should he add to make it a 25% solution?
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Question 1157357: John has 20 grams of a 20% of salt solution. How much salt should he add to make it a 25% solution?
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
4 + x = 0.25(20 + x)
4 + x = 5 + 0.25x
0.75x = 1
x = 1.33 g
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