Of the students in a certain homeroom, 9 are in the school play, 12 are in the

orchestra, and 15 are in the choral group. if 5 students participate in exactly 2 of the 3

activities and all other students participate in only 1 activity, how many students are

in the homeroom?

9+12+15=36

36 students are there because the question says 5 students participate in exactly 2 out of 3 activities

                   which is = 36-5=31
and the rest participate in only 1 activity = 31 participate in 1 activity
therefore total 36 students were there in the homeroom
hope it helps!!

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