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Mathematics, 09.07.2019 22:30 Lujfl
Afoundry 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 10 kilograms of the 40% silver alloy? 50% alloy = ? kg 25% alloy = ? kg
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