An alloy of zinc and copper weights 12 and half kg. If, in the alloy, the ratio of zinc and copper is 1:4,find the weight of copper in it.
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Answer:
Cu=10kg, Zn=2.5kg
Step-by-step explanation:
Cu+Zn=12. 5kg
Zn:Cu= 1:4
- Zn=Cu/4
Cu+Zn=12. 5
- Cu+Cu/4=12. 5
- 4C+Cu=12.5*4
- 5Cu=50.0
- Cu=50/5
- =10kg
Zn=Cu÷4
=10÷4
=2.5kg
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