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An alloy contains 20%copper,35% zinc and the rest is nickel.Find the quantity of nickel in 2kg of alloy.
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Answer:
Total percentage of nickel in the alloy=100-35-20=45
Total quantity of an alloy=2 Kg.
Quantity of copper=20/100×2=2/5=0.4 Kg.
Quantity of zinc=35/100×2=7/20×2=0.7 Kg.
Quantity of nickel=2-0.4-0.7=0.9 Kg.
OR
Quantity of nickel =45/100×2=0.9 Kg.
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