The number of goals scored in a series of football matches was as follows:
no. of goals : 1 2 3
no. of matches: 8 8 x
a) if the mean number of goals is 2.04, find x > 9
b)if the modal value number of goals is 3, find the smallest possible value of x > 9
c) if the median number of goals is 2, find the largest possible value of x.