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4 Suppose that a goup of 150 students have joined at least one of the chat rooms: one on auto racing, one on bicycling, and one for college students. For simplicity, we call those rooms A. 8, and Crespectively. In addition. 90 studonts joined room A: 50 students joined room B: 70 students joined room C: IS students joined rooms A and C: 12 students joined rooms B and C: 10 stucdents joined all three rooms. How many students joined both chat rooms A and B O 140 students O 27 students 43 students

4 Suppose that a goup of 150 students have joined at least one of the chat rooms: one on auto racing, one on bicycling, and one for college students. For simplicity, we call those rooms A. 8, and Crespectively. In addition. 90 studonts joined room A: 50 students joined room B: 70 students joined room C: IS students joined rooms A and C: 12 students joined rooms B and C: 10 stucdents joined all three rooms. How many students joined both chat rooms A and B O 140 students O 27 students 43 students

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
Problem 16PT: In a competition of 50 professional ballroom dancers, 22 compete in the fox-trot competition, 18...
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) Suppose that a group of 150 students have joined at least one of the chat rooms: one on auto racing, one on bicycling, and one for college students. For simpicity, we col those rooms A. B, and C respectively. In addition. 90 students joined room A: 50 stucdents joined room B: 70 stucdents joined room C; I5 students joined rooms A and C: 12 students joined rooms Band C: 10 stucdents joined all thvee rooms. How manry students joined both chat rooms A and B? 140 students O 27 students 43 students
Transcribed Image Text:) Suppose that a group of 150 students have joined at least one of the chat rooms: one on auto racing, one on bicycling, and one for college students. For simpicity, we col those rooms A. B, and C respectively. In addition. 90 students joined room A: 50 stucdents joined room B: 70 stucdents joined room C; I5 students joined rooms A and C: 12 students joined rooms Band C: 10 stucdents joined all thvee rooms. How manry students joined both chat rooms A and B? 140 students O 27 students 43 students
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