Abookshelf is about 9.3*10^-2 meters thick. a bookshelf is about 1.865*10^1 meters long. about how many copies of this book will fit on the bookshelf? i need the answer really fast and by the way the answer is not 20 books i'll give them a brain list if they answer it.

For this case, the first thing we must do is define variables.

We have then:

x: length of the bookshelf

y: thickness of each book

The equation for the number of books is:

Substituting values we have:

Doing the calculation we have:

200 copies of this book will fit on the bookshelf

explanation:

remove parenthesis:

=

apply rule

=

multiply fractions:

=

=

divide:

=

mordancy.