On a given week, the classical literature section in a certain library had 40 different books, all of which were in stock on the shelf on monday morning. if 50 percent of the books that were borrowed during the week were returned to the library on or before saturday morning of that same week, and if there were at least 22 books on the shelf that saturday morning, what is the greatest number of the books that could have been borrowed during the week?

The greatest number of the books that could have been borrowed during the week are 36.

Step-by-step explanation:

Let the total number of books or N = 40

Let the number of borrowed books be = B

As given, the number of books available are greater than 22.

We get the following equation as per scenario:

=>

=>

Substituting N = 40, we get ;

Therefore, the maximum possible number of borrowed books will be 36.

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.