An one contains 12% copper. How many kilograms of the ore are required to get 69 kg of copper?
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8
copper ore =12% of x=69
12÷100×x=69
x=69×100÷12
x=575kg
12÷100×x=69
x=69×100÷12
x=575kg
Answered by
2
copper ore =12% of x=69
12÷100×x=69
x=69×100÷12
x=575kg
12÷100×x=69
x=69×100÷12
x=575kg
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