9 June, 13:07

A metal alloy weighing 4 kg and

containing 90% gold is melted and mixed

with 1 kg of a different alloy which

contains 30% gold. What percent of the

resulting alloy is gold?

A) 78% B) 90%

C) 32% D) 50%

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A metal alloy weighing 4 kg andcontaining 90% gold is melted and mixedwith 1 kg of a different alloy whichcontains 30% gold. What percent of theresulting alloy is gold?A) 78% B) 90%C) 32% D) 50%

A metal alloy weighing 4 kg and

containing 90% gold is melted and mixed

with 1 kg of a different alloy which

contains 30% gold. What percent of the

resulting alloy is gold?

A) 78% B) 90%

C) 32% D) 50%