In two alloys a and b, the ratio of zinc to tin are 5: 2 and 3: 4 respectively. Seven kg of the alloy a and 21 kg of the alloy b are mixed together to form a new alloy. What will be the ratio of zinc and tin in the new alloy?
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In two alloys A and B the ratio of zinc to tin is 5 :2 and 3:4 respectively. 7kg of the alloy A and 21kg of the alloy B are mixed together to form a new alloy. what will be the ratio of zinc ...
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