6/11=x/33 is not a proportion because they aren't equal to each other.
S+d=209
d=209-s
6.5s+2d=836.5
6.5s+2(209-s)=836.5
6.5s+418-2s=836.5
4.5s+418=836.5
4.5s=418.5
s=93
There were 93 salads sold that day.
Well i bevel that you r cool an dcan answer it by your self <span />
If you mean (3n-2m)^2 then the answer is
9n^2-12mn+4m^2
So B