percentage question please help me. question no 6
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Ore contains 12% of copper
kilogram of ore are required to get 69 kg
= 12% of 6 9
=69*12/100
=8.28kg
Since 8.28 kg of ore required to get 69 kg of copper.
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amrit5g:
ores weight will be more than copper
thank u
ur answer is wrong
Answered by
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100 kg has 12 kg of copper.
a.q. (12x÷100)=69
=12x= 6900
=x=6900÷12= 575 kg of ore will have 69 kg of copper.
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