Problema Solution
A metal alloy weighing 5 mg and containing 10% silver is melted and mixed
with 1 mg of a different alloy which contains 70% silver. What percent of the
resulting alloy is silver?
Answer provided by our tutors
Let 'x' represent the percentage of the resulting alloy of silver as a decimal
0.10*5 + 0.70*1 = x*(5 + 1)
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x = 0.2 or 20%
20% of the resulting alloy is silver.