Answer:
Carrie has scored 3 goals.
Explanation:
Given:
Kenny scores 3 times more goal than Carrie.
So let the number of goal score by Carrie be

Therefore number of goals scored by Kenny =

Now according to given data together they score 12 goal.
Total goal Scored = number of goals scored by Kenny + number of goal score by Carrie

Number of goals scored by kenny =

Hence number of goals scored by Carrie is 3 and number of goals scored by Kenny is 9