An alloy contains 7% of copper. How many kg of alloy will contain 10.5 kg of copper?
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The alloy contains 7% copper of the entire weight of alloy.
Let's assume the weight of alloy to 10.5KG copper is 'x'
Therefore 7x/100=10.5
x= 10.5×100/7
x=150.
The answer is 150 kg of alloy will contain 10.5 kg of copper.
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