Posted by **Ivan** on Tuesday, January 18, 2011 at 12:34am.

An alloy of copper is 10% copper and weighs 25 pounds. A second alloy is 18% copper. How much (to the nearest tenth lb.) of the second alloy must be added to the first alloy to get a 13% mixture.

## Answer this Question

## Related Questions

- math - An alloy of copper is 10% copper and weighs 25 pounds. A second alloy is ...
- Algebra - solve linear equation-an alloy of metal is 25% copper. Another alloy ...
- 8th grade - An alloy of metals is 25% copper .Another alloy is 50% copper. How ...
- math - An alloy of metals is 25% copper. Another alloy is 50% copper. How much ...
- Algebra/Math - Can you show work por favor? :) A metalworker has a metal alloy ...
- math - an alloy of metals is 20% copper. another alloy is 50% copper.how much of...
- Algebra - an alloy of metals is 20% copper. another alloy is 70% copper.how much...
- Math - an alloy of metals is 20% copper. another alloy is 70% copper.how much of...
- algebra - how much copper and how much iron should be added to 100% pounds of an...
- chem - An experimental alloy contained by copper and tantalum. 3.7950 g of the ...

More Related Questions