Question

an alloy contains 40% coppers, 32%nickel and rest zinc. find the mass of zinc in one kg of the alloy.



$explin \: full \: method$
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Answer 1

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Answer 2

Answer:

0.28

Step-by-step explanation:

Let %be -x

40+32+x=100

72+x=100

x=100-72

x=28

1 kg of alloy=

28/100=0.28

HERE IS YOUR ANSWER