The ratio of Copper and zinc in an alloy is 9 : 5. If the weight of copper in the alloy is 48.6 gm, find the weight of zinc in the alloy
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The weight of zinc in the alloy is 27gm
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Ratio is 9:5 .
Therefore ratio of copper = 9x.
And ratio of zinc = 5x.
Weight of copper = 48.6 .
9x = 48.6 .
x = 48.6/9 .
x = 5.4 .
Weight of zinc = 5x
= 5(5.4)
= 27
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RAKSH290:
luckie is correct
Ya I forget to see zinc
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