SOLUTION: How much salt needs to be added to 150 lbs of a 4% solution to make a 7% solution?
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Question 941500: How much salt needs to be added to 150 lbs of a 4% solution to make a 7% solution?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Assuming percents by mass,
x, how much salt to add,
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