SOLUTION: Tom needs 7 pounds of metal with 32% silver. If Tom combines one metal with 25% silver and another with 78% silver, how much of each metal does Tom need?

SOLUTION: Tom needs 7 pounds of metal with 32% silver. If Tom combines one metal with 25% silver and another with 78% silver, how much of each metal does Tom need?

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Question 866875: Tom needs 7 pounds of metal with 32% silver. If Tom combines one metal with 25% silver and another with 78% silver, how much of each metal does Tom need?

Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
This idea is explained here:

Mixing two concentrations for known amount of mixture

Learn that, and you can solve ALL examples of this type.
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