SOLUTION: 1) 7 fl. oz. of a 70% sugar solution was mixed with 3 fl. oz. of pure water. Find the concentration of the new mixture.
2) A metal alloy weighing 12 lb. and containing 4% silver
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Question 1006265: 1) 7 fl. oz. of a 70% sugar solution was mixed with 3 fl. oz. of pure water. Find the concentration of the new mixture.
2) A metal alloy weighing 12 lb. and containing 4% silver is melted and mixed with 4 lb, of a different alloy which contains 28% silver. What % of the resulting alloy is silver?
Found 2 solutions by josmiceli, josgarithmetic:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
fl oz of sugar in the 70% solution
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The concentration is:
The new concentration is 49%
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(2)
pounds of silver in 4% alloy
pounds of silver in 28% alloy
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the % silver is:
10%
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
1)
2)
They are really the same general problem.
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