SOLUTION: How many mg of salt would you have to add to a 18mg solution of 20% to make it 35%

SOLUTION: How many mg of salt would you have to add to a 18mg solution of 20% to make it 35%

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Question 672460: How many mg of salt would you have to add to a 18mg solution of 20% to make it 35%
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = mg of salt to be added
mg of salt already in solution
-----------

4.154 mg of salt should be added
check:

close enough

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