Females: X
Males: Y
X=2Y because "Twice as many females as males"
The total surveyed are:
[tex]x+y=1200[/tex][tex]2y+y=1200[/tex]Then we have:
[tex]3y=1200[/tex][tex]y=\frac{1200}{3}=400[/tex]From the first equation:
[tex]x=1200-y=1200-400=800[/tex]So, males are 400 and females are 800.
