35. Half of the people in theroom left. One fourth of theremaining started to dance.There were then 12 peoplewho were not dancing. Findthe original number of peoplein the room.a.8b. 12О d. 32O c.С. 16

Answered: 35. Half of the people in the room…

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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35. Half of the people in the room left. One fourth of the remaining started to dance. There were then 12 people who were not dancing. Find the original number of people in the room.