Question
Dr. Rhonda gave a presentation at a conference. She asked the audience whether they had seen movies A, B, and C, and gathered the following
Dr. Rhonda gave a presentation at a conference. She asked the audience whether they had seen movies A, B, and C, and gathered the following numbers:
223 people had seen A, 219 had seen B, 229 had seen C, 114 had seen A and B, 121 had seen A and C, 116 had seen B and C, 39 had seen all three, and 21 had seen none of the three.
How many people attended her presentation?
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Concepts In Practical Differential Equations
Authors: Sabita Mahanta
1st Edition
9353146488, 9789353146481
