SOLUTION: an alloy contains 4% of silver. how many kg of alloy will contain 9kg silver

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Question 846987: an alloy contains 4% of silver. how many kg of alloy will contain 9kg silver
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.04x=9
4x=900
x=900/4
x=225 kg of alloy