SOLUTION: A metal alloy weighing 2 mg and containing 45% gold is melted and mixed with 3 mg of a different alloy which contaians 30% gold. Which percent of the resulting alloy is gold.
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Question 599402: A metal alloy weighing 2 mg and containing 45% gold is melted and mixed with 3 mg of a different alloy which contaians 30% gold. Which percent of the resulting alloy is gold.
Thanks!!!! Answer by flame8855(424) (Show Source):
You can put this solution on YOUR website! amount of gold in the first part :2*0.45=0.9 mg
amount of gold in the second part : 3*0.3=0.9 mg
total gold= 1.8 mg
%=1.8/5 *100 = 36 %
