Question

An ore contains 12% copper. How many kilograms of the ore required to get 69kg of copper?

Answer 1

Step-by-step explanation:

We have,

copper=69kg

percentage=12%

whole=

partpercentage

part×100

=

12

69×100

=

12

6900

=575kg

Hence, this is answer.

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Answer 2

Answer:

575 kg

Step-by-step explanation:

Given,

copper=69kg

percentage=12%

=69×100 /12

= 6900 /12

=575 kg

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