An alloy has zinc and copper in the ratio 8:9. If the weight of copper in the alloy is 10.8 kg, can the weight of the zinc be 9.6 kg in the same quantity?Why?
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yes because the ratio of zinc and copper in the alloy by mass will be 9.6kg / 10.8kg = 8/9 = 8:9
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alloy=zinc/copper
alloy=10.8kg
zinc=9.6kg
copper=zinc/alloy
=9.6/10.8
=8:9
alloy=10.8kg
zinc=9.6kg
copper=zinc/alloy
=9.6/10.8
=8:9
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