The weight of zinc and copper in an alloy are in the
ratio 3:7. If zinc weighs 12.6kg, find the weight of the
alloy?
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grad 6 ICSC
Given,
Weight of zinc in the alloy =9.8kg
The ratio of copper and zinc in an alloy =9:7.
Let,
Weight of copper =9x
Weight of zinc =7x
9.8=7x
x=1.4kg
∴ Weight of copper in the alloy =9x
=9(1.4)
=12.6kg
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