The number of flute players is determined by multiplying the number of rows and the number of people in each row. This is as shown below.
n = (2 rows)(6 people/row) = 12 people (flute players)
The total number of flute players and trombone players can be calculated as shown below,
T = 12 (flute players) + 8 (trombone players)
T = 20 people
ANSWER: 20 people