SOLUTION: A person wants to make a one ounce ring composed of Gold and Silver. One ounce of gold cost $600 and one ounce of silver cost $50. How much of each metal should be used if the cost
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Question 231224: A person wants to make a one ounce ring composed of Gold and Silver. One ounce of gold cost $600 and one ounce of silver cost $50. How much of each metal should be used if the cost is $200
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A person wants to make a one ounce ring composed of Gold and Silver. One ounce of gold cost $600 and one ounce of silver cost $50. How much of each metal should be used if the cost is $200
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Weight Eq.::: g + s = 1 ounce
Value Eq. :::600g + 50s = 200
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Multiply thru the Weight Eq by 50 to get:
50g + 50s = 50
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Subtract that from the Value Eq. and solve for "g":
550g = 150
g = 3/11 ounce (amt of gold needed in the mixture)
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Since g + s = 1, s = 8/11 ounce (amt. of silver needed in the mixture)
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Cheers,
Stan H.
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