Question

The all-city band is made up of students from 3 schools. bayside, lincoln, and hendricks. 20 students are in the all-city band. 5 students come from bayside. lincoln has 1 more student in the band than hendricks. how many students in the all-city band come from each school?

Answer 1

bayside=5
lincoln x+1
hendricks=x
band 20=5+x+x+1
20=2x+6
14=2x
7=x
so hendricks has 7 and lincoln has 8

Answer 2

Hendricks --- x
Lincoln ----- x+1
Bayside ---- 5

solve for x
x + x+1 + 5 = 20
2x+6=20
2x=14
x=7
then plug it back in to hendricks,lincoln, and bayside