SOLUTION: An alloy of metals is 25% copper another alloy is 50% copper. How much of each alloy is used to make 1000 grams of an alloy with 45% copper. Can you help us write this equations?

Question 107185: An alloy of metals is 25% copper another alloy is 50% copper. How much of each alloy is used to make 1000 grams of an alloy with 45% copper.
Can you help us write this equations?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
An alloy of metals is 25% copper another alloy is 50% copper. How much of each alloy is used to make 1000 grams of an alloy with 45% copper.
:
Let x = amt of 25% copper required
Then
(1000-x) = amt of 50% copper required:
:
A simple equation:
.25x + .50(1000-x) = .45(1000)
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