Mathematics, 12.08.2020 07:01 neariah24
One ingot contains 10 kg of pure silver and 2 kg of league. What quantity of silver, whose grade is 0.700; is it necessary to melt to obtain silver with a grade of 0.750?
a) 20
b) 22
c) 16
d) 24
e) 19
Answers: 1
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One ingot contains 10 kg of pure silver and 2 kg of league. What quantity of silver, whose grade is...
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