an alloy of zinc of copper weighs 12 1/2 if in the Allo the ratio of zinc and copper is 1:4 find the weight of copper in it.
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Answer:
Weight of copper = 10 units
Step-by-step explanation:
Weight of alloy of zinc and copper = 12.5 units
As the ratio of zinc and copper is 1:4, we can assume
weight of zinc = x
weight of copper = 4x
Now,
Total weight of alloy = 12.5 units
=> x + 4x = 12.5
=> 5x = 12.5
=> x = 2.5
Weight of copper = 4x = 4*2.5 = 10
Answer: Weight of copper in the alloy is 10 units
[The units of weight have not been specified, hence we have used "units"]
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