Problema Solution
a solution contains 5% salt. How much water should be added to 70 ounces of this solution to make 3.5% solution?
Answer provided by our tutors
Let x = amount (ounces) of water (0% solution) to add
0.05*70 + 0*x = 0.035(70 + x)
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click here to see the equation solved for x
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x = 30 oz
30 ounces of water should be added.