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Mathematics, 19.02.2020 04:59, leah24645
A chemist has two alloys, one of which is 15% gold and 20% lead and the other which is 30% gold and 50% lead. How many grams of each of the two alloys should be used to make an alloy that contains 82.5 g of gold and 113 g of lead?
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A chemist has two alloys, one of which is 15% gold and 20% lead and the other which is 30% gold and...
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