A math instructor has 35 calculators in her office. Of them, 17 have dead batteries, 13 have cracked displays, and 22 have missing buttons. Of those with dead batteries, 5 have cracked displays and 11 have missing buttons. Of those with cracked displays, 8 have missing buttons. There are 3 with dead batteries, cracked displays, and missing buttons. How many calculators does she have with nothing wrong with them? (A) 4 (B) 6 (C) 3 (D) 7 (E) 8 (F) 2 (G) 1 (Н) 9 A H B.

A math instructor has 35 calculators in her office. Of them, 17 have dead batteries, 13 have cracked displays, and 22 have missing buttons. Of those with dead batteries, 5 have cracked displays and 11 have missing buttons. Of those with cracked displays, 8 have missing buttons. There are 3 with dead batteries, cracked displays, and missing buttons. How many calculators does she have with nothing wrong with them? (A) 4 (B) 6 (C) 3 (D) 7 (E) 8 (F) 2 (G) 1 (Н) 9 A H B.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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A math instructor has 46 calculators in her office. Of them, 22 have dead batteries, 28 have cracked displays, and 24 have missing buttons. Of those with dead batteries, 16 have cracked displays and 11 have missing buttons. Of those with cracked displays, 18 have missing buttons. There are 9 with dead batteries, cracked displays, and missing buttons. How many calculators does she have with nothing wrong with them? (A) 6 (В) 4 (C) 5 (D) 9 (E) 8 (F) 3 (G) 1 (H)
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