A metal alloy weighing 4 kg and
containing 90% gold is melted and mixed
with 1 kg of a d...
Mathematics, 16.04.2020 02:04 kaylaamberd
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%
Answers: 2
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