SOLUTION: A metal alloy weighing 10 lb. and containing 10% nickel is melted and mixed with 8 lb. of pure nickel. What percent of the resulting alloy is nickel?

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Question 532268: A metal alloy weighing 10 lb. and containing 10% nickel is melted and mixed with 8 lb. of pure nickel. What percent of the resulting alloy is nickel?
Answer by lwsshak3(11628) About Me  (Show Source):
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A metal alloy weighing 10 lb. and containing 10% nickel is melted and mixed with 8 lb. of pure nickel. What percent of the resulting alloy is nickel?
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let x=percent of nickel the resulting alloy
..
10%(10)+100%(8)=x(18)
.1+8=18x
x=8.1/18=.45=45%