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Question
An ore contains 15% of iron. How much ore will be required to get 36 kg of iron ?
An ore contains 15% of iron. How much ore will be required to get 36 kg of iron ?
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Solution
Let the amount of ore be x
15/100×x=36
x=36×100/15
=12×20
=240 kg
o
15/100×x=36
x=36×100/15
=12×20
=240 kg
o
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