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9:4.FindthequantityofzinctoberAn alloy is to contain copper and zinc in the ratio2 kg of copper, to get the desired alloy.THINGS TO REMEMBER |
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Answer» 9x/11 = 12/5 x = 121/45 zinc = 4*(121/45) / 11 = 4*121/45*11 = 48/45 |
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