SOLUTION: how much salt must be added to 40 pounds of a 5% salt solution to make a solution that is 25% iodine

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Question 1148903: how much salt must be added to 40 pounds of a 5% salt solution to make a solution that is 25% iodine
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
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Salt, or Iodine? No matter, the quantities described are suspect.


If one of the stated materials is supposed to be the other, then maybe you want this:

0.05%2A40%2B1.0%2Ax=0.25%2A%2840%2Bx%29
Solve for x.