An alloy contains 30% of zinc. How many
kilograms of the alloy will be required to obtain
12 kg of zinc?
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An alloy contains 30% of zinc. How many
kilograms of the alloy will be required to obtain
12 kg of zinc?
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let the total amount of alloy = 100%
copper = 30%
zinc = 40%
then Nickel = 100-(30+40)
= 100 - 70 = 30
the amount of nickel in the alloy = 30/100 * 20= 6 kg
also copper is = 30/100 * 20 = 6 Kg
Zinc = 40/100*20 = 8 kg
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