in a school of 320 students , 85 students are in the band , 200 students are on sports teams , and 60 students participate in both activities . how many students are involved in either band or sports ?
25 + 60 + 140 = 225 there are 225 students involved in either band or sports . b )
add(60, add(subtract(85, 60), subtract(200, 60)))