A certain alloy contains 70% copper and rest zinc. In 20 kg of such alloy, let's find how many kg of zine is required.
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Answered by
2
Answer:
answer is six kg
Step-by-step explanation:
if 70% is copper then it means that 30% is zinc and if we multiply 30/100 with 20kg we will get 6 kg the answer
Answered by
3
Answer:
Step-by-step explanation:
The percentage of zinc in alloy = (100 - 70) = 30%.
So in 20kg of alloy,
the kg of zinc = 30% of 20 kg = 30/100 * 20 = 6 kg.
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