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A certain alloy contains Lead, copper and tin. How many pounds of tin are in \(56\) pounds of the alloy?

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A certain alloy contains Lead, copper and tin. How many pounds of tin are in \(56\) pounds of the alloy?

by swerve » Thu Sep 28, 2023 6:19 pm
A certain alloy contains Lead, copper and tin. How many pounds of tin are in \(56\) pounds of the alloy?

1) By weight the alloy is \(3/7\) lead and \(5/14\) copper
2) By weight the alloy is \(6\) parts lead and \(5\) parts copper

The OA is A
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