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Answer to Question #22046 in Algebra for renea

Question #22046
In a survey of a Tridelt Chapter with 50 members, 19 were taking mathematics, 18 were taking English, and 9 were taking both. How many were not taking either of these subjects?
Expert's answer
Solution (1):
19-9=10 members were taking only mathematics
18-9=9 members were taking only English
10+9+9=28 members were taking only mathematics and only English and only both
50-28=22 members were not taking either of these subjects
Answer: 22 members
Solution (2):
19+18=37 members were taking mathematics and English
37-9=28 members& were taking only mathematics and only English
50-28=22 members were not taking either of these subjects
Answer: 22 members.

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