Later 7 students joined group 2 (41 students)and one student left to join group 1. (44 students) Now 20 students play trombone a
nd 7 more students play trumpet as play saxophone. How many students play each instrument?
1 answer:
48 students in group 2
43 students in group 1
So in total there are 91 students
7 students play the trump
And 20 play the trombone
Therefore it is known that 27 students play those two instruments in total
Because of this, Subtract 27 from 91 to get the num of students who doesn't play those instruments.
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