aluminium and copper are in ratio 9:11 and ratio of copper and silver in ratio 9:1 if a new wire is formed by mixing both in ratio 5:4 what is the ratio of aluminium to copper to silver in final mixture
Answers
Given : aluminium and copper are in ratio 9:11 and ratio of copper and silver in ratio 9:1 . a new wire is formed by mixing both in ratio 5:4
To Find : what is the ratio of aluminium to copper to silver in final mixture
Solution:
a new wire is formed by mixing both in ratio 5:4
Let say 1st wire is 100K then 2nd wire is 80K
1st wire
aluminium and copper are in ratio 9:11
=> aluminium = (9/20)100K = 45K
copper = (11/20)100K = 55K
2nd wire
copper and silver are in ratio 9:1
=> copper = (9/10)80K = 72K
silver = (1/10)80K = 8K
aluminium = 45K
copper = 55K +72 = 127K
silver = 8K
ratio of aluminium to copper to silver in final mixture
= 45K : 127K : 8K
= 45 : 127 : 8
45 : 127 : 8 is the ratio of aluminium to copper to silver in final mixture
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