Question
Alloy A contains iron and copper in ratio 4:5. Alloy B
contains iron and copper in ratio 3: 4. If 63kg of alloy A and 56 kg of alloy B are mixed, then what is the final ratio of copper and iron?Solution

Drexler's movement received attention and support through some influential figures.Â
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- The new wai...
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MASQUERADE
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'May God bless you’!