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Mathematics, 20.09.2020 18:01 jazminemendezhidalgo

A foundry has been commissioned to make souvenir coins. The coins are to be made from an alloy that is 40% silver. The foundry has on hand two alloys, one with 50% silver content and one with a 25% silver content. How many kilograms of each alloy should be used to make 30 kilograms of the 40% silver alloy?

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A foundry has been commissioned to make souvenir coins. The coins are to be made from an alloy that...
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