SOLUTION: A pound of tin is worth $2 more than a pound of copper. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $3.65 per pound. How much is a pound of ti
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Question 641149: A pound of tin is worth $2 more than a pound of copper. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $3.65 per pound. How much is a pound of tin worth? Found 2 solutions by lwsshak3, josmiceli:Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A pound of tin is worth $2 more than a pound of copper. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $3.65 per pound. How much is a pound of tin worth?
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let x= worth of 1 lb of copper
x+2= worth of 1 lb of tin
Weight of mixture to make bronze=2+8=10 lbs
..
8x+2(x+2)=10*3.65
8x+2x+4=36.5
10x=32.5
x=3.25
x+2=5.25
a pound of tin is worth $5.25
You can put this solution on YOUR website! Let = price per pound of copper in dollars
Let = price per pound of tin in dollars
given:
and
tin is worth $5.25/pound
check:
OK
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