i cant figure this out

Question

the fifth grade girls basketball team scored 18 points in their game last week. Half of the total points were scored in just first quarter. In the second quarter, they scored one sixth of the total points. In the third quarter, they scored one sixth of the total points. How many points did they score in the fourth quarter?

Answer 1

Q1: 9 pts

Q2: 3 pts

Q3: 3 pts

Q4: 3 pts.  

 

Half of 18 (total) is 9; one sixth of total is 3.