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16-03-2017
Mathematics

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A metallurgist has an alloy with 10% titanium and an alloy with 30% titanium. He needs 100 grams of an alloy with 24% titanium. How much of each alloy should be mixed to attain the 100 grams of alloy with 24% titanium?

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Аноним Аноним

16-03-2017

Setup:
0.1x + 0.3(100 - x) = 0.24(100)
0.1x + 30 - 0.3x = 24
-0.2x = -6
x = 30 g amt of 10% alloy

amt of 30 % alloy = 100 - 30 = 70g

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