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An Intiative by Sri Chaitanya
a
x+2 y=300 ; 2 x+4 y=160
b
x+2 y=100 ; 2 x+4 y=300
c
2 y+x=160 ; 2 x+4 y=150
d
2 x+y=160 ; 4 x+2 y=300
answer is D.
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