Answer: 1,170
Explanation:
Given : A total of 2,691 people attended the school play.
A total of 1,521 people attended the band concert .
Then, the number of people attended the play more than the concert will be the difference between them.
Difference : 2,691 - 1,521= 1,170
Therefore, the number of people attended the play more than the concert =1,170