SOLUTION: Mrs. Morris came back from her vacation and found that all of her 35 books has been checked out by students in her class. She said to her students, "I know for sure that at least

Question 1179042: Mrs. Morris came back from her vacation and found that all of her 35 books has been checked out by students in her class. She said to her students, "I know for sure that at least one of you has checked out at least 3 books." At most how many students are in her class?.
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.


Let n be the most possible number of students in the class under given condition.


Then in the worst case they checked out  2n + 1 of her books.


So, our equation to find "n" is


    2n + 1 = 35.


It gives  n =  = 17.


ANSWERE.  There were 17 students in the class, at most.

Solved.

-------------

Do not forget to post your "THANKS" to me for my teaching.

RELATED QUESTIONS
Mrs. Morris came back from her vacation and found that all of her 35 books has been... (answered by ikleyn)

If there are 35 books that have been checked out by students in a class. we know for... (answered by ikleyn)

Mrs. Williams has 30 students in her class. 12 of her students are boys. What percent... (answered by josmiceli)

Please help me with these problems: 1) Liza wants to take three travel books with her (answered by stanbon)

Mrs. Gitterman gave a quiz to each of her three classes. Each of her classes has 12... (answered by Theo)

Jasmine got a collection of books from her parents,35, and a collection of books from her (answered by josgarithmetic)

Jasmine got a collection of books from her parents, 35, and a collection of books from... (answered by richwmiller)

A teacher was asked by her principal to select 7 students at random from her class to... (answered by ewatrrr)

Maya took a survey and found that 2/3 of the students in her class have pets. Of those... (answered by josmiceli)