(a) How many grams of copper are in the resulting mixture? grams (b) What percentage of the resulting mixture is copper? %

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 

120

 grams of an alloy that contains 

42%

 copper with 

200

 grams of pure copper.

Answer the questions below. 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?
%
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