Mathematics, 14.10.2019 20:50, joyce945

an alloy is a mixture of metals. suppose that a certain alloy is made by mixing 5 grams of an alloy containing 12% copper with 78 grams of an alloy containing 92%copper.
do not do any rounding.
(a) how many grams of copper are in the resulting mixture?
grams

(b) what percentage of the resulting mixture is copper?
%

Answers: 3

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an alloy is a mixture of metals. suppose that a certain alloy is made by mixing 5 grams of an alloy...