SOLUTION: An alloy of silver and gold consists of 80 ounces, 10 ounces of which are gold. A new alloy is to be recast with an addition of silver. This new alloy also consists of 80 ounces, b
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Question 964075: An alloy of silver and gold consists of 80 ounces, 10 ounces of which are gold. A new alloy is to be recast with an addition of silver. This new alloy also consists of 80 ounces, but is to have only one-fifth of an ounce of gold in 5 ounces.
What percentage of gold is in the new alloy after the recasting?
a. 100
b. 12.5
c. 4
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
An alloy of silver and gold consists of 80 ounces, 10 ounces of which are gold. A new alloy is to be recast with an addition of silver. This new alloy also consists of 80 ounces, but is to have only one-fifth of an ounce of gold in 5 ounces.
What percentage of gold is in the new alloy after the recasting?
amt of gold in new alloy=(80/5)*(1/5)/80=0.04
What percentage of gold is in the new alloy after the recasting? 4 (ans c.)
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