Question 1157763
n susan
g grandmother


{{{system(n=(1/4)g,(1/2)n=sqrt(g))}}}
That is literally what the description means  (if using two variables).


{{{n/2=sqrt(4n)}}}

{{{n=4*sqrt(n)}}}

{{{n^2=16n}}}

{{{n^2-16n=0}}}

{{{highlight(n=16)}}}