In Miss Q's class, 1/3 of the students brought a teddy bear to school. Each boy took 12 books, each girl took 17 books, and each teddy bear took 9 books. A total of 305 books were taken out. How many girls were there in Miss Q's class?
In Miss Q's class, 1/3 of the students brought a teddy bear to school. Each boy took 12 books, each girl took 17 books, and each teddy bear took 9 books. A total of 305 books were taken out. How many girls were there in Miss Q's class?
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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