Explanation:
Total number of goals = 40
Total number of players = c
Average goals scored= Total number of goals / Total number of players
Average = 40/c
Number of goals Mathew scored = 5 + average goals
[tex]\begin{gathered} \text{Number of goals Mathew scored = 5 +}\frac{40}{c}\text{ = }\frac{5c+40}{c} \\ \end{gathered}[/tex]The expression could be any of the two