Mathematics: There are 250 students taking band, chorus, or both. if there are 180 students taking band and 60 students in both band and chorus, how many students are only in chorus?

There are 250 students taking band, chorus, or

Ответ:

strodersage

07.01.2022

A-students taking band
B-students taking chorus
|AuB| = 250
|A| = 180
[AnB] = 60
|AuB| = |A| + |B| - |AnB|
|B| = |AuB| - |A| + |AnB| = 250 - 180 + 60 = 130
ans: 130 students in chorus only

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Ответ:

willveloz4

09.12.2022

Mathematics

heyo heyo heyo heyo heyo

Step-by-step explanation:

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There are 250 students taking band, chorus, or both. if there are 180 students taking band and 60 students in both band and chorus, how many students are only in chorus?

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