Mathematics, 17.07.2019 20:00 Maryhejsbsksb
18 carat gold is an alloy containing gold and another metal in the ratio by mass: 3 : 1 if an 18 carat gold ingot has a mass of 250 g, what mass of gold was used to make the alloy?
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18 carat gold is an alloy containing gold and another metal in the ratio by mass: 3 : 1 if an 18 c...
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