An alloy contains 89% of copper; find how much copper is to be mixed to a sample of alloy so as to get 44 kg of a new metal having 90% copper in it.

An alloy contains 89% of copper; find how much copper is to be mixed t

1.	An alloy contains 89% of copper; find how much copper is to be mixed to a sample of alloy so as to get 44 kg of a new metal having 90% copper in it.
A.	2 kg
B.	3 kg
C.	2.5 kg
D.	4 kg
Answer» E.

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An alloy contains 89% of copper; find how much copper is to be mixed to a sample of alloy so as to get 44 kg of a new metal having 90% copper in it.

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