{m,r,x,y} > 0GHong14 wrote:
Is m/r=x/y OR my=xr ?
st(1) m/y=x/r, mr=xy OR m/y=x/r Not Sufficient
st(2) (m+x)/(r+y) = x/y OR y(m+x)=x(r+y), my+xy=xr + xy [cancel xy here], my=xr Sufficient
answer B
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Source: Beat The GMAT — Data Sufficiency |
Is m/r=x/y OR my=xr ?
st(1) m/y=x/r, mr=xy OR m/y=x/r Not Sufficient
st(2) (m+x)/(r+y) = x/y OR y(m+x)=x(r+y), my+xy=xr + xy [cancel xy here], my=xr Sufficient
answer B
