SOLUTION: An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing 200 grams of an alloy that contains 44% copper with 56 grams of pure copper. nswer the q

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Question 1030829: An alloy is a mixture of metals. Suppose that a certain alloy is made by mixing
200
grams of an alloy that contains
44%
copper with
56
grams of pure copper.
nswer 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?
%

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
44% of 200 g = 88g Copper
88g added to 56g = 144g of copper
a) 144g of copper is in the resulting mixture.
b) 144/200 x 100 = 72%
Hope this helps :-)