can anyone answer his please in step by step explanation
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30%hona chaiye nickel toh baaki tum jano tumhara kaam jane...♥️♥️♥️♥️♥️♥️
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ANSWER
Nickel = (100% - 30 % - 40 % )
= 30 %
Alloy = 20kg
Nickel =
30/100 x 20kg=6kg
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