Answer-Alloy A contains iron and copper in ration 4:5. Alloy B contains iron and copper in ratio 3 : 4. If...

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Iron      Copper  In contains A                 4         5                      945                                      20        25  In contains B                 3         4                      763                                      27        36     Ratio                            47       61  Ratio of copper and iron 6147.

Alloy A contains iron and copper in ration 4:5. Alloy B contains iron and copper in ratio 3 : 4. If 45kg of alloy A and 63 kg of alloy B are mixed, then what is the final ratio of copper and iron?

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