Answer:
20
Explanation:
We have been given that Ken watches a marching band he sees 2 rows of flute players. Six people are in a row.
First of all, we will find number of flute players by multiplying 6 by 2 as:


Since Ken sees 8 trombone players, so total number of people would be 12 plus 8.


Therefore, Ken sees 20 flute players and trombone players.