SOLUTION: a metal alloy weighing 2 lb & containing 88% iron is melted & mixed with 10 lb. of pure iron. what percent of the resulting alloy is iron?

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Question 722983: a metal alloy weighing 2 lb & containing 88% iron is melted & mixed with 10 lb. of pure iron. what percent of the resulting alloy is iron?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Total Iron divided by total mixture = fraction as Iron.

%282%2A0.88%2B10%29%2F%282%2B10%29=f, find f and multiply by 100.