Answer :
Answer:
2
Step-by-step explanation:
18 + 17 + 3 = 28
30 - 28 = 2
if 18 take Social Studies and 17 take Technical Drawing amd 3 take neither, we can assume the 2 left over are the pupils that take both
Answer:
2
Step-by-step explanation:
18 + 17 + 3 = 28
30 - 28 = 2
if 18 take Social Studies and 17 take Technical Drawing amd 3 take neither, we can assume the 2 left over are the pupils that take both