Answer:
168 members are on the marching band but not part of the percussion.
Explanation:
Given:
The high school marching band has 196 members,and 28 of them are a part of the percussion.
Now, to find the members on the marching band but not part of the percussion.
Total members of marching band = 196.
Members of them who part of percussion = 28.
So, to get the members of the marching band who are not the part of the percussion we subtract members of them who part of percussion from total members of marching band:


Therefore, 168 members are on the marching band but not part of the percussion.