18. At a certain school each student must take at least one coursein Algebra (A), Biology (B) or Chemistry (C).21 students take A; 22 students take B; 21 students take C10 students take A and B; 7 students take A and C; 9 studentstake B and C4 students take A, B and C.How many students are in the school?4240none of these39

Introduction: The set components A, B, and C are gathered together as A union B, and union C. This…

Answered: At a certain school each student must…

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 new dormitory is to be constructed. There will be three types of rooms: single rooms which accommodate just 1 student per room, double rooms which accommodate 2 students per room, and triple rooms which accommodate 3 students per room. The dorm will contain 151 rooms and accommodate 262 students. Further, there will be 20 more double rooms than single rooms. Find the number of each type of room. There will be Blank 1. Calculate the answer by read surrounding text. single rooms. There will be Blank 2. Calculate the answer by read surrounding text. double rooms. There will be Blank 3. Calculate the answer by read surrounding text. triple rooms.
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