Your information answers itself, he took 50 shots.
Of those 50 shots, he scored goals in the ratio of 9:2.
For every 11 shots he made 9.
So he scored
$${\mathtt{50}}{\mathtt{\,\times\,}}\left({\frac{{\mathtt{9}}}{{\mathtt{11}}}}\right) = {\mathtt{41}}$$