Equation of two alloys contain zinc and copper in the ratio of 2 : 1 and 4 : 1. in what ratio the two alloys should be added together to get as new alloy having zinc and copper in the ratio of 3 : 1?
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(2x+4y)/(x+y)= 3/1
i.e 2x+4y=3x+3y.
.i.e x=y..
.so 1:1
i.e 2x+4y=3x+3y.
.i.e x=y..
.so 1:1
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