## A metal alloy weighing 5kg and containing 22% iron melted and mixed with 12 kg of a different alloy which contains 90% iron. What percent of

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## Answers ( )

Answer:70%

Step-by-step explanation:Given the weight of the first alloy as 5kg(22% iron) and the second as 12kg(90% iron:

#First, we find the weight in kgs of the iron in both alloys:Hence, the weight of iron in the resulting alloy is

11.9kg.#From the given info,the total mass of the alloy is 5+12=

17kgTherefore, the

% of ironis calculated as :Hence,

70%of the resulting alloy is iron.